Mount St. Helens Eruption of 1980
Remembering a scientist who died in the 1980 eruption of Mount St. Helens.
Volcanism in a Nutshell
Volcanism is more than volcanoes: it's what recycles the Earth's crust.
Arc Volcanism in a Nutshell
How subducting plates create most of the world's volcanoes.
Recipes for Volcanoes
Moviemakers and scientists have gone beyond vinegar and baking soda.
Recipes for Calderas
Scientists look closely at the biggest volcanic explosions.
An article exploring these permanent Earth features that spawn volcanoes for millions of years.
The VEI Scale of Volcanic Eruptions
This widely used scale was invented in 1982.
Cascades Volcanic Observatory, Washington
This huge USGS site has tons of basics aimed at educated readers.
Center for the Study of Active Volcanoes
This Hawaii state institute uses Kilauea as a training lab for scientists from developing nations—and serves the population too.
The Electronic Volcano
A sprawling grab-bag of links for scientific and lay readers, not well maintained.
Geokem: Geochemistry of Igneous Rocks
A boiled-down, hard-core collection of geochemical data for the world's volcanoes including the mid-ocean ridges. Bernie Gunn seems to know more about this field than anyone else, making the site an insider's joy for professionals.
How Volcanoes Work
A great online course from San Diego State University including animations, quizzes, and images.
Interviews with Volcanologists
An engaging set of discussions with real working lava-heads, from VolcanoWorld.
Lassen Volcano Eruption of May 19, 1915, California
A detailed look at historical and field evidence from California's last live volcano.
Michigan Tech Volcanoes Page
One of the very best sites of its kind, full of treasures.
Mud Volcanoes of the Caspian Desert
A splendid selection of photos and facts by Vladimir Dinets about this little-traveled area, where more mud volcanoes occur than anywhere else on Earth.
Smithsonian Institution Global Volcanism Program
The jewels of this site are the huge "Volcanoes of the World" database and the well-organized linklists.
TOMS Volcanic SO2, Ash and Aerosol Home Page
The Total Ozone Mapping Spectrometer (TOMS) satellite measures volcanic emissions all over the world. Find recent pictures and data here.
The Volcano Information Center
A volunteer site at UC Santa Barbara with a good set of links and a first-rate essay collection.
Volcano Research Center, University of Tokyo
An easy way to stay current, by cam and bulletin, with Japanese volcanic activity.
This weekly newsletter from the Hawaii Volcano Observatory focuses on the Aloha State, but not exclusively.
Volcanological Society of Japan
The Society's Bulletin and a list of volcano cams are this site's highlights.
The best-known of the big volcano sites, and for good reason.
WyoJones' Geysers Page
This site has great links to everywhere you can think of, the best geyser site on the Web.