Geology Online: 105 Sites That Rock

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Geology Blogs & Publications | State Geological Surveys
Research Groups & Universities | Hydrogeology | Volcanoes | Other

Modern humans have been on Earth an estimated 200,000 years, and during that time we’ve worked relentlessly to understand the inner workings and history of our 4.5 billion-year-old home planet. Geologists study rock formations from the surface to deep in the Earth’s crust. Volcanoes, hydrology, weather, and biological activity have all profoundly affected the structure of the Earth’s land masses and oceans, and by studying these effects, geologists can learn about the Earth’s distant past and use the information to make educated predictions about the planet’s future. The epic scale of geologic research makes it an appealing academic subject and career path. This list features sites from every stratum of the online geological community, and they are not being ranked or rated.

Note: If you’re interested in Geology as a career and looking for Universities then do check out geology degree for more details.

These sites present modern geological and hydrological research, discussions, and even photographs from land, sea, and space that illustrate the complexity and diversity of Earth’s geologic processes.

Table of Contents

Geology Blogs & Publications

Informal blogs and peer reviewed journals are both represented here to provide the full range of information and speculation on geology, hydrology, and volcanology.

1. United States Geoscience Information Network (USGIN)

The USGIN plays a role in helping scientists and researchers share their information online. A product of the National Science Foundation’s INTEROP Initiative, this organization seeks to develop decentralized web-based data-sharing networks using free-and-open-source software, making large amounts of data readily available.

Emphasis: Geoscience Networking

2. is a wildly popular site that appeals to geology professionals and amateurs. Filled with information about U.S. geology in categories that range from astronomy to world reports, this site can keep readers busy for month, and prove to be an excellent resource.

Emphasis: Geology Website

3. EarthCube

EarthCube is a collaborative project among the U.S. National Science Foundation and earth, atmosphere, ocean, computer, information, and social scientists, and more. This new website provides a space for EarthCube groups, consortia, researchers, educators and other interested parties to share ideas and collaborate (previous website at

Emphasis: Earth Science Collaborative Group

4. Highly Allochthonous

Chris Rowan, a geologist specializing in tectonics, and Anne Jefferson, a geologist who also loves hydrology and geomorphology, work together to provide news and commentary from the worlds of geology and earth sciences. This highly popular site is aptly named, although “Highly Allochthonous” is difficult to pronounce and even more difficult to spell.

Emphasis: Geology, Hydrology, Earth Sciences

5. Science Daily Geology News

Science Daily’s Geology News offers regularly updated information on all types of earth science trends. Look for information on topics that range from atmosphere to oceanography, including large topic areas on environmental issues and science.

Emphasis: Geology News

6. Mountain Beltway

Callan Bentley is an assistant professor of geology at Northern Virginia Community College, and his interests lie in structural geology and in the evolution of the Appalachian mountain belt, in addition to a few other topics. Follow his blog to learn more about folds, sediment, bugs, and even wine.

Emphasis: Structural Geology & Regional Land Forms

7. Geotripper

Garry Hayes is a geology teacher at Modesto Junior College, and a former president of the Far West Section of the National Association of Geoscience Teachers. His interesting blog focuses on the U.S. west, with special focuses on the Sierra Nevada, the Great Valley, and California’s coastal ranges.

Emphasis: Western U.S. Geology

8. Digital Geography

The Digital-Geography site is all about GIS, statistics, webmapping, and information about the “geosphere.” The site is fed by students and alumni and the articles and tutorials are published in English, French, and German.

Emphasis: GIS, Geographical Statistics, Mapping

9. features a broad spectrum of geological engineering, geophysics, and hydrogeology news catering to a highly technical audience.

Emphasis: Geology News for Professionals

10. Geo-HeritageScience

The author of this site provides an eclectic mix of sciences gained from her research, education, and leaps in discoveries through her work as a science communication and outreach officer. The blog began as a marriage between heritage science applied to geological collections, but has evolved to include science communication and education.

Emphasis: Geology and Heritage Science

11. Sandatlas

The Sandatlas is a stunning and interesting site that examines rock types, minerals, sand types, and field geology from Siim Sepp’s perspective as a geologist and nature photographer. Using photographs, Sepp explains geological concepts, focusing on this planet’s “bedrock.”

Emphasis: Rock Geology and Photography

12. Earth Learning Idea

ELI is publishing free earth-related teaching ideas every two weeks, all designed to be practical resources for teachers and teacher-trainers all over the world. Some of these activities require the use of some basic school laboratory equipment and some include abstract ideas, and those projects are labeled as ELI+.

Emphasis: Earth Science Teaching Tools

13. Watching for Rocks

Nina walked away from a 20-year career as a registered nurse to obtain a degree in geology…all for her love of rocks. She now works as a seasonal interpretive ranger with the National Park Service, which allows to her travel throughout Alaska and the U.S. West, sharing her enthusiasm and adventures along the way.

Emphasis: Western U.S. Geology

14. Observations of Washington State Landscapes, Geology, Geography, Ecology, History and Land Use

Dan McShane is an engineering geologist with Stratum Group, a geology, ecology and environmental consulting company based in Bellingham, Washington. Dan has been reading Washington State landscapes since driving across the Horse Heaven Hills with his father and brother in 1970, and he offers his knowledge and insights on this blog.

Emphasis: Western U.S. Geology

15. Environment and Geology

A geologist who is interested in geology and the environment offers this blog that covers all types of environmental and geological research work and studies past and present. The blog provides insight into how historical and current issues affect societies across the globe.

Emphasis: Geology and Environment

16. Earthly Musings – Wayne Ranney’s Geology Blog

Wayne Ranney is a geologist, writer, river and trail guide, and traveler, mainly in the U.S. west, but also across the globe. To prove his viability as a resource for learning about western geology, his 2014 trips already are totally sold out.

Emphasis: Western U.S. Geology

17. Oakland Geology

The Oakland Geology blog is maintained by Andrew Alden, an avid geologist who also writes about earth sciences elsewhere, but takes a special interest in the unique geological features in and around Oakland, California.

Emphasis: Geology of Oakland, California

18. Hudson Valley Geologist

A community college geology professor who lives in the mid-Hudson Valley of New York State offers a magnificent resource for anyone who wants to learn about this part of the country and more. Steve reaches beyond his home to offer geology answers and lessons, including information about Venus of Laussel and simple geology rate problems.

Emphasis: Geology Professor

19. Geobulletin

The Geobulletin offers scientists a great starting point for daily geological news and information from a wide range of sources. This site is a go-to site for daily geological photos, too, tagged from Flickr.

Emphasis: Geological News

20. Looking for Detachment

The “Silver Fox” is a sixty-something minerals exploration geologist who works mostly in the western U.S. She obviously loves being on the road, as she lists some great road songs on her site, as well as quotes about detachments, information about Highway 8A, and blog entries about her many geological excursions.

Emphasis: Minerals Exploration Geology

21. The Geology News Blog

Geologists might stay tuned into this site, which offers news, great photos, and a forum for discussion about news-related topics along the lines of Slashdot and Metafilter. Created in 2005, Geology News was one of the first sites to offer geology-related news on the web.

Emphasis: Geology News

22. Clastic Detritus

Brian Romans is an assistant professor in the Department of Geosciences at Virginia Tech. He uses this blog to write mostly about earth science (usually sedimentary and/or marine geology) and to share photographs from the field.

Emphasis: Geology Professor

23. Earth Pages

Wiley-Blackwell offers a great resource for the earth sciences, including a news section written by Dr Steve Drury of the Open University. Readers also have access to archived materials stretching back to the year 2000, as well as resources and partner society pages, and ways to browse Wiley-Blackwell’s entire earth science publishing program.

Emphasis: Earth Sciences Website

24. History of Geology

How do geologists know how far they’ve come without knowing the history of geology’s past? This blog, written by a freelance geologist, offers a portion of that history as he focuses on the development of geomorphologic, paleontological and geological concepts developed by naturalists and geologists.

Emphasis: Geology History

25. Iceland geology blog

Volcanoes in Iceland? If your life is driven by your desire to be a volcanologist, you may already know about Icelandic volcanoes, but you may not have tapped into this resource yet. Learn about this country’s volcanoes and other general geology through the blog, links to other sites, books, and DVDs.

Emphasis: Volcano Studies

26. Adventures in the world of Geology

Pohaku, the person who writes this blog, is the sort of person you might want with you on a field trip. Her insights are clever, and her topics are interesting. Learn more about topics that range from rockfish to glaciers and from jelly mold to geology apps.

Emphasis: Geology Blog

27. Outcrop

Outcrop’s aim is to identify, survey, protect, and promote geological and geomorphological sites in the former County of Avon, known as the modern unitary authorities of Bath and North East Somerset, Bristol, North Somerset and South Gloucestershire. RIGS (Regionally Important Geological and Geomorphological Sites) are selected by this group for their educational, research, historical and aesthetic value.

Emphasis: Geological Organization

28. Active Tectonics

J. Ramón Arrowsmith is a geology professor in the School of Earth and Space Exploration at Arizona State University. His blog about active tectonics explores the work done in class, including topographic responses to interacting surface processes and rock uplift, seismology studies, and information about upcoming classes and events.

Emphasis: Geology Professor

29. OpenTopography Blog

OpenTopography is an amazing geological reference that offers community access to high-resolution earth science-oriented topographic data and related tools and resources. The OpenTopography Facility is based at the San Diego Supercomputer Center at the University of California at San Diego and is operated in collaboration with colleagues in the School of Earth and Space Exploration at Arizona State University.

Emphasis: Geography Resource

30. Geology in Motion

This blog, written by a University of Illinois professor, provides commentary on interesting geological events occurring around the world in the context of geological fluid dynamics, which is the professor’s main interest. This in an interesting blog that provides current event materials that can make geology come alive for any reader.

Emphasis: Geology Professor

31. Ice Age Floods

The catastrophic floods from Glacial Lake Missoula and Lake Bonneville are among the largest known floods in geologic history. Visit this site to learn more from Tom Foster about Glacial Lake Missoula, Lake Bonneville, and the Ice Age Floods.

Emphasis: Ice Age Floods

32. Accidental Remediation

Since 2008, this former grad student who now works in the “environmental biz” has blogged about his career stints, including issues that many other geologists might find interesting. He continues to be involved with a lot of field work, and his idea of a great holiday present is a book about statistics or chemistry…yes, you should visit the blog.

Emphasis: Geology Blog

33. Geological Musings in the Taconic Mountains

John Van Hoesen is an associate professor of geology interested in glacial/periglacial geomorphology, GIS, natural disasters, and the history of geology. Tap into his blog to learn about his interests, to view photos, and to take advantage of his reviews of geologic books and articles.

Emphasis: Geology Professor

34. internals

This blog offers information on geoinformatics, geology, stratigraphy and paleontology, including images of stones that may look like chicken parts. While the fun side of geology is ever present on this blog, you also can find some very serious entries, including posts about the mysteries of deep time and advice about building on external APIs.

Emphasis: Geoinformatics, Geology, Stratigraphy, Paleontology

35. Geology Times

Geologic Times covers a wide range of topics over an equally wide time span, including archives that reach back to June, 2007. Current news is available, as well as information on earthquakes and research.

Emphasis: Geology News

State Geological Surveys

Each state in the U.S. has its own geological organizations to study the geologic, hydrologic, biological, and geographic features unique to the region. These organizations gather and analyze data for use in mitigating natural hazards and managing mineral and water resources.

36. U.S. Geological Survey

The U.S. Geological Survey (USGS) is a science organization that provides impartial information on the health of this country’s ecosystems and environment, its natural hazards and natural resources, the impacts of climate and land-use change, and the core science systems that help this organization provide timely, relevant, and useable information.

Emphasis: Earth Sciences Organization

37. Wyoming Geological Survey

WSGSworks to perform the functions of interpreting Wyoming’s complex geology, while increasing public awareness and understanding of this state’s geologic, mineral, and energy resources. They offer a great deal of information online, including projects, research, data and maps, public information, and an online store.

Emphasis: Statewide Geological Survey

38. Michigan Geological Survey

The Michigan Geological Repository for Research and Education, located at Western Michigan University, offers information about its research at this site. Although primarily focused on Michigan’s energy, natural resources, and the environment, MGRRE’s activities also relate to general geology, fossil fuel energy resources, water resources and environmental issues.

Emphasis: University Geology Research

39. Louisiana Geological Survey

Founded in 1934, the Louisiana Geological Survey is the premier geological research institution for the state. Housed at Louisiana State University, this organization provides publications, mapping, data, reviews, educational resources, and information from energy studies to the general public.

Emphasis: Statewide Geological Survey

40. Delaware Geological Survey

Originally authorized in 1837, the DGS was finally established in 1951 as a science-based public service that conducts geologic and hydrologic research and exploration for the state. Information for the public is available on their site, including publications, maps, data, and water resource information that includes water conditions.

Emphasis: Statewide Geological Survey

41. North Dakota Geological Survey

For more than 110 years, the North Dakota Geological Survey has been the primary source of geological information in this state. Today, it administers regulatory programs and acts in an advisory capacity to other state agencies, as well as providing valuable land and water information about North Dakota to the general public.

Emphasis: Statewide Geological Survey

42. Washington State Geology & Earth Sciences

Washington State Department of Natural Resources offers a Geology and Earth Sciences division that examines the structure of this state and its hazards, environments, energy possibilities, and water. They offer publications, education, information about fossils, minerals, and gold collecting, and mapping that is available to the general public.

Emphasis: Statewide Geological Survey

43. Tennessee Geological Survey

The Tenessee Geological Survey conducts research and promotes good stewardship of Tennesee’s geological and environmental resources, including oil and gas reserves and watersheds.

Emphasis: Geological and Environmental Concerns in Tennessee

44. Oklahoma Geological Survey

The Oklahoma Geological Survey is a state agency that conducts geological research and offers a public service through information gathered from their studies. Tap into state publications, maps, teaching tools, energy information, and geological hazards at this site.

Emphasis: Statewide Geological Survey

45. Florida Geological Survey

The Florida Geological Survey is the state’s premier government institution specializing in geoscience research and assessments. This organization addresses environmental, conservation, and public welfare issues, as well as providing data, maps, news, and research findings to the general public.

Emphasis: Statewide Geological Survey

46. Vermont Geological Survey

The Vermont Geological Survey conducts research and mapping relating to the geology, resources, and topography in Vermont. Accessible geoscience data, maps, and publications are available on the site, and they provide a foundation for understanding and stewardship of this state’s natural resources.

Emphasis: Statewide Geological Survey

47. Alaska Division of Geological & Geophysical Surveys

The mission behind the Alaska Division of Geological & Geophysical Surveys is to determine the potential in Alaskan land for production of metals, minerals, fuels, and geothermal resources, as well as discovering locations of groundwater and construction material. This organization also researches geological hazards to construction within the state and reports on these issues.

Emphasis: Statewide Geological Survey

48. Colorado Geological Survey

The CGS provides Colorado with information to build vibrant, sustainable, and safe communities. Some goals of this organization include helping to reduce the impact of geologic hazards on Colorado citizens, promoting the responsible economic development of mineral and energy resources, providing avalanche safety training and forecasting, and providing geologic insight into water resources.

Emphasis: Statewide Geological Survey

49. California Geological Survey

In 1860, the California Legislature established what is known today as the California Geological Survey. For over 150 years, this organization, now lodged under the Department of Conservation, has worked to conduct research to supply data on the state’s geology, seismology, and mineral resources, offering data to the state and to the general public.

Emphasis: Statewide Geological Survey

50. New York State Geological Survey

The NYSGS has a broad and long history, and current work includes geologic mapping, Devonian geology, glacial geology, Proterozoic geology, paleontology, hydrocarbon reservoir characterization group, and carbon dioxide sequestration. Their site shows their vast work already accomplished as well as current projects.

Emphasis: Statewide Geological Survey

Research Groups & Universities

Geologists conduct research into a many topics that directly influence people’s quality of life. Water quality, species survival or endangerment, the availability of fossil fuels, and the quality of crops grown in different regions are all influenced by geologic processes.

51. American Geosciences Institute

The AGI serves as a federation of geoscientific and professional associations that, in total, represents more than 250,000 geologists, geophysicists, and other earth scientists. The role of this organization is to offer strength in geoscience education and to increase public awareness of the roles that geosciences play in society today.

Emphasis: Geosicence, Geophysics, Earth Sciences

52. Geological Society of London blog

The Geological Society in London offer a blog that is both entertaining and educational, including a current rash of posts focused on a geological advent. On the serious side, this organization also expounds on topics such as education, events, higher education networks, news, field adventures, science communication, and a library.

Emphasis: London Geological Society

53. European Geosciences Union

The EGU is Europe’s stellar geosciences union with a mission to pursue excellence in the geosciences and planetary and space sciences for global benefit. Over 12,500 members are involved with this group, which produces 15 open access scientific journals, offers education and outreach, and includes research into volcanology, planetary exploration, atmosphere, climate, and energy.

Emphasis: European Geological Organization

54. Climate and Geohazards

The Climate and Geohazard Services at the University of Leeds seeks to raise awareness of current research and developments in the fields of climate science and natural hazards. Their mission is to translate news about these events into real benefits for people and organizations.

Emphasis: Natural Disasters and Climate Change

55. British Geological Survey

The British Geological Survey was founded in 1835 and provides the full range of geoscience services to public and private clients.

Emphasis: Geosciences Business and Research Services

56. Antarctic Marine Geology Research Facility

Serving as a geological repository for marine core samples, visiting scientists to the AMGRF can take advantage of a library that contains over 35 Polar-related journals, numerous theses and dissertations, cruise data books, over 1,000 books on Antarctic and marine geology, and extensive reprint, photography, X-Radiograph, and map collections. The online site contains photographs, information, a database search, and the ability to request samples.

Emphasis: Marine Geology Repository

57. Central Arizona Geology Club

The Central Arizona Geology Club is an active group that meets regularly to talk about land structures and other topics that reflect new discoveries and ideas about this region and nearby areas. Speakers are welcome, and the group also commits to periodic field trips.

Emphasis: Central Arizona Geology Club

58. American Rock Mechanics Association

ARMA is a member organization that provides information to members and serves as an advocate for rock mechanics, rock engineering, and geomechanics. ARMA also provides educational opportunities through topical symposia, and the group maintains an information repository on the development of rock sciences.

Emphasis: Rock Mechanic Organization

59. Digital Library for Earth System Education

The DLESE is a distributed community effort involving educators, students, and scientists working together to improve the quality, quantity, and efficiency of teaching and learning about the Earth system at all levels. This free resource offers easy access to quality resources for teachers and learners, including lesson plans, scientific data, visualizations, interactive computer models, and virtual field trips.

Emphasis: Geology Library

60. American Geophysical Union

More than 62,000 members belong to the AGU, an international non-profit scientific association founded in 1919. Today, AGU has grown to become the preeminent international force for the promotion of geophysical endeavors.

Emphasis: Geophysical Organization

61. Wisconsin Geological & Natural History Survey

The Wisconsin Geological & Natural History Survey features regular updates on the state’s geological conditions, as well as job listings for geologists, and general public interest info on the local landscape.

Emphasis: Regional Geology and History

62. Environmental and Engineering Geophysical Society (EEGS)

EEGS is an applied scientific organization founded in 1992 and that currently maintains a membership of about 650 environmental and engineering geophysicists. Their annual meeting is internationally recognized as the leading conference on the practical application of shallow geophysics.

Emphasis: Environmental and Engineering Geophysics Organization

63. International Union of Geodesy and Geophysics (IUGG)

IUGG is a non-governmental scientific organization established in 1919 as one of 31 scientific unions presently groups with the International Council for Science (ICSU). The IUGG is solely dedicated to the international promotion and coordination of scientific studies of Earth (physical, chemical, and mathematical) and its environment in space.

Emphasis: Earth Sciences Organization

64. Wooster Geologists

The faculty and students of the Department of Geology at The College of Wooster offer this blog filled with information about fossils, the Mojave Desert, mineralogy, and other information with a focus on Utah and the U.S. west. A long-running blog since 2009, geologists can find plenty of interesting archived information on this site.

Emphasis: College Geology Department Blog

65. Association of American State Geologists

The AASG represents the State Geologists of the 50 United States and Puerto Rico, and the site contains information about all these territories. Founded in 1908, AASG seeks to advance the science and practical application of geology and related earth sciences in the United States and its territories, commonwealths, and possessions.

Emphasis: National State Geologist Organization

66. National Geophysical Data Center

NDGC provides stewardship, products, and services for geophysical data from the sun to earth, including the earth’s sea floor and observations from space. Active through many international programs, scientists can gain access through NGDC to global databases through an international exchange, and the website offer many other wonders to the general public.

Emphasis: International Geological Resources

67. National Geodetic Survey

The National Geodetic Survey (NGS) seeks to define, maintain, and provides access to the National Spatial Reference System to meet this nation’s economic, social, and environmental needs. The NGS provides foundational elements — latitude, longitude, elevation, shoreline information and their changes over time — as well as spatial data, models, and tools vital for environmental protection.

Emphasis: National Geodetic Survey

Hydrogeology & Hydrology

The movement of water through the water cycle is intimately bound to the geological circumstances of every region on Earth. Managing water quality and supplies is vital for human populations.

68. WaterWired

WaterWired offers freshwater news, analysis, reviews, commentary, and humor from Michael E. Campana, hydrogeologist, hydrophilanthropist, and all around “Aquadoc” at Oregon State University. This site is an invaluable resource for anyone studying or working in geology and water resources.

Emphasis: Hydrogeology, Hydrology, Fresh Water News

69. National Groundwater Association

The National Ground Water Association, located in Ohio, is the hallmark organization for individuals affiliated with the groundwater industry. This nonprofit organization is composed of U.S. and international professionals, and the organization seeks to provide its members with guidance, education, and tools to help learn about and manage the world’s groundwater resources.

Emphasis: Groundwater Management Organization

70. This Day in Water History

If you’re interested at all in the world’s water resources, you might find this site about water history very interesting. The blog covers water history day by day with a special focus on the U.S., and you can follow the entries through Twitter.

Emphasis: Water History

71. California WaterBlog

Scientists, faculty, students, and researchers at UC Davis’ Center for Watershed Sciences collaborate with other scholarly and government entities to provide solutions for California’s most pressing water resource management issues. The focus areas include the state’s Central Valley, the Sierra Nevada, and the San Francisco Estuary.

Emphasis: Water Management

72. Water 50/50

Although the posts are dated 2012, the legacy of fifty lectures in fifty weeks lives on to deliver messages about changing water cycles, groundwater depletion, and the future of available fresh water. The lectures, delivered by Professor James S. (Jay) Famiglietti, cover the entire globe and provide insight to current and ongoing water research.

Emphasis: Water Lectures

73. Go Hydrology!

Go Hydrology offers a vast resource for southern Florida’s swamps, glades, estuaries, lakes, and weather — especially water cycles. If you crave charts and data, this site is right up your alley, as it’s filled with hydrographs, maps, and charts.

Emphasis: Southern Florida Hydrology

74. Marine Geology research at MBARI

The Monterey Bay Aquarium Research Institute, located in California, engages three ships, two remotely operated vehicles, and numerous autonomous underwater vehicles to deep-sea conduct research in Monterey Bay, a complex geology of the continental plate margin. The scientists and researchers here also seek to expand instrument systems and methods to increase knowledge about underwater sciences.

Emphasis: Underwater Geological Research

75. The Way of Water

Jennifer Veilleux is an Oregon State University Geography PhD student who is in the process of recording her fieldwork, research, and thoughts about transboundary water resources development in the Nile River and Mekong River basins. She is giving particular attention to Ethiopia’s Grand Ethiopian Renaissance Dam and Laos’ Xayaburi Dam projects.

Emphasis: Water Management

76. UCSC Hydrogeology

The University of California at Santa Cruz offers earth and planetary sciences courses, including hydrogeology. Andy Fisher heads up the site that is available for non-students as well as students, and that includes information about courses, research, and projects on land and in water.

Emphasis: University Hydrogeology Research

77. Stanford Hydrogeology and Water Resources Program

Stanford University’s Hydrogeology and Water Resources Program maintains a site that provides research information available to the general public. Their studies include hydroecology and ecohydrology, water policy evaluations in countries such as India and China, and flow and transport processes that help to maximize water management.

Emphasis: University Hydrogeology Research

78. Hydro-Logic

Hydro-Logic offers plenty of resources for the hydrogeologist and hydrologist, including news, media reviews, and reports on water and related issues. Other information on this site includes information about professional organizations, conferences and workshops, and companies that work in water-related sciences.

Emphasis: Hydrogeology, Hydrology

79. International Association of Hydrogeologists

The International Association of Hydrogeologists (IAH/AIH) is a scientific and educational charitable organization for scientists, engineers, water managers and other professionals working in the fields of groundwater resource planning, management, and protection. Founded in 1956, it has grown to a world-wide membership of more than 4000 individuals.

Emphasis: Hydrogeology Organization

80. Dr. Anne Jefferson’s Watershed Hydrology Lab

Dr. Anne Jefferson, a geologist at Kent State University, offers her own blog outside the one she shares with Chris Rowan. She shares her particular interests in hydrology at the Watershed Hydrology Lab at the university and on the blog, where her research focuses on groundwater-surface water interactions and landscape evolution in human-altered and volcanic landscapes.

Emphasis: Geology, Hydrology, Groundwater


Volcanoes have terrifying destructive power, and being able to predict their eruptions can save lives. Volcanologists study the formation and life-cycle of volcanoes and their relationships to other geological processes and events.

81. Volcano Blog by Tom Pering

Tom Pering’s Volcano Blog is an updated source of information about the world of volcanoes and related phenomena. The site is written for laymen to understand and enjoy, and it is an interesting insight into his research on volcanic activity.

Emphasis: Volcanic Studies

82. Volcanocafé

If you’re into volcanoes, then you’ll want to get in on the action at the Volcanocafé. This community offers a venue for sharing information about active and inactive volcanoes, to ask and answer questions, and to share great recipes like the Lava Baguette.

Emphasis: Volcano Community

83. Stromboli online

SOL is all about enriching and teaching earth sciences through their wealth of information about volcanoes. Although the emphasis is on Stromboli and Etna, they also provide images, movies, data, virtual field trips, and other educational materials on volcanic activity across the globe.

Emphasis: Volcanic Studies

84. Center for the Study of Active Volcanoes (CSAV)

CSAV is located on the Big Island of Hawaii and operates from the University of Hawaii at Hilo. In operation since 1989, this program’s mission is to provide information on volcanic and natural hazards that occur in Hawaii and worldwide.

Emphasis: Volcanic Studies

85. IVHHN – The International Volcanic Health Hazard Network

IVHHN serves as an umbrella organization for all volcanic health hazard research and information. This organization currently is comprised of 31 expert members from 25 international institutions as well as other experts involved in volcanology, epidemiology, toxicology, public health, and physical chemistry.

Emphasis: Volcanic Studies

86. International Association of Seismology and Physics of the Earth’s Interior

IASPEI is an organization that promotes the study of the earth’s structures, properties, and processes. This organization is one of the eight groups that comprise the International Union of Geodesy and Geophysics (IUGG), offering information, publications, and reports on the earth’s interior.

Emphasis: Geology and Seismology

87. Alaska Volcano Observatory

The Alaska Volcano Observatory catalogues up-to-date information on Alaska’s volcanic activity and partners with the U.S. Geological Survey to maintain detailed data about volcanic occurrences.

Emphasis: Volcanic Activity in Alaska

88. Cascades Volcano Observatory (CVO)

The U.S. Geological Survey supplies a vast amount of information about this country’s structures and hazards, and volcanology is now included in their studies. This site covers information about volcano updates, hazards, monitoring, education, preparation, and more, with a special focus on the Cascade Volcanoes.

Emphasis: Volcanic Studies

89. Michigan Technological University Volcanoes Page

The Keweenaw Volcano Observatory sponsors the work conducted at Michigan Technological University, where volcanoes are a focus. The research and links provided by the university offer a vast resource for individuals interested in volcanology.

Emphasis: Volcanic Studies

90. Vesuvius

This site helps students interested in volcanic activity by exploring the 79AD eruption of Vesuvius in Italy as an example of a large explosive eruption with a significant impact on local human population. The site includes exercises that allow students to act as a team of volcanologists who try to reconstruct history through evidence.

Emphasis: Volcanic Studies

91. Global Volcano Model Network (GVM)

GVM is a growing international network of volcanologists who aim to create a sustainable and accessible platform that disseminates information about volcanic hazard and risk. This task is accomplished through research and delivery of information supported by systematic evidence, data, and expert analysis.

Emphasis: Volcanic Studies

92. VHub

VHub offers a collaborative space for individuals who conduct volcano research and risk mitigation. Although this is a member organization, they freely offer information and resources, including some amazing educational materials about volcanoes and their disaster zones.

Emphasis: Volcanic Studies

93. Mount Baker Volcano Research Center

The MBVRC consists of a group of geologists who research the geology and volcanology of Mount Baker in the North Cascades and in the surrounding Mount Baker volcanic field. This group, now affiliated with the Geology Department at Western Washington University, offers abstracts, references, eruptive history, tephra studies, a blog, and tons of other resources.

Emphasis: Volcano Studies

94. Volcano World

VolcanoWorld was founded by Dr. Chuck Wood in 1995, and since that time over fifty professionals and hundreds of students have contributed content or time to the site to add information about volcanoes around the world. This site currently is housed in the Department of Geosciences at Oregon State University and kept alive by volunteer efforts.

Emphasis: Volcano Studies


There is an incredible number of websites covering geology from all angles, and sharing research, insight, and beautiful photographs. Anyone who wants to learn more and fulfill their fascination with geology is no more than a click away.

95. DataOne

DataONE is the “Data Observation Network for Earth,” providing a foundation for new innovative environmental science and resulting data. The mission is to enable new science and knowledge creation through universal access to data about life on earth and the environment that sustains it for researchers, educators, and the general public.

Emphasis: Observational Earth Data

96. Dan Brown and Associates

Dan Brown and Associates, PC, is a company that is experienced as specialists in deep foundation design, construction, and testing for slope stability. They also offer information about research into design-build projects and other construction issues in areas that offer a variety of geological features.

Emphasis: Geological Consulting Company

97. Geocomp Corporation

Geocomp Consulting is a company that provides comprehensive geostructural services to their clients on projects located anywhere in the world. They also manufacture, sell, and support remote-monitoring systems that clients can access through web-based programs, as well as widely-used soil-testing systems.

Emphasis: Geological Consulting Company

98. Geopractitioner

Dr. Edmund Medley is a geopractitioner, or a geological engineer with broad academic and practical backgrounds in geology, soil engineering, and rock engineering. As a consultant, he investigates ground failures and vulnerabilities, provides support on litigations and insurance claims, and can lecture on geological and civil engineering topics.

Emphasis: Geological Engineer Consultant

99. GEOFEM Ltd

GEOFEM is a geotechnical company that offers several services to the geological community. As a consultancy, they can provide geotechnical analysis and simulation, heavy load assessments, onshore and offshore site investigations for the oil and gas industries, and publicly-funded research programs in the fields of engineering analysis and simulation.

Emphasis: Geological Consulting Company

100. GEO-HAZ Consulting, Inc.

GEO-HAZ is a small but powerful U.S.-based business that provides a wide range of services in earth science consulting, research, and education, including geologic mapping, earthquake and landslide hazards, and environmental services. The firm was founded in 1991 by Dr. James P. McCalpin and is currently located in Crestone, Colorado.

Emphasis: Geological Hazard Consulting Company

101. Grokking GeoStudio

Nate is a programmer on the GEO-SLOPE team, and he offers his take on how to use that company’s software, specifically GeoStudio. His work focused on GeoStudio’s user interface, helping users to understand how to interact with the product; however, how you use the product to model projects is entirely up to you.

Emphasis: Geology Software Designer

102. Written In Stone…seen through my lens

Dr. Jack Share, a man with past interests in zoology and paleontology, learned to appreciate the importance of an education grounded in geology. His photographs are grounded in the belief that former life and former landscapes are inseparable, and his interpretive images reflect that philosophy.

Emphasis: Geological Photographer

103. John Scurlock: Mountain Aerial Photography

Many professional geologists link to John Scurlock’s photography site, and for good reason — he’s a pilot who is fixated on rock formations, especially with in Washington’s Cascade Range, British Columbia’s Columbia Mountains, and the Canadian Rockies. Enjoy his aerial photographs of mountains and glaciers located throughout Oregon, Montana, Wyoming, Idaho, and northern California.

Emphasis: Mountain and Glacial Photographer

104. GeoFetch

If you’re itching to get your hands on some geographic data from the San Francisco Estuary Institute (SFEI), use their geoportal, GeoFetch, after you register for free. This tool contains metadata for over one hundred base layers and SFEI mapping-related websites and services.

Emphasis: Geological Data Search

105. National Geothermal Data System (NGDS)

NGDS serves as a resource for geothermal energy, gathered from a national network of data providers, including academic researchers, private sector participants, and state and federal agencies, primarily the Department of Energy. Learn more about how to tap into these resources, or how to contribute your own data to this repository.

Emphasis: Geothermal Repository

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