A volcano is an opening in a planet's surface which allows hot, molten rock, ash and gases to escape from below the surface. Volcanic activity involving the extrusion of rock tends to form mountains over a period of time.
Data on new activity and unrest, and ongoing activity at volcanoes throughout the world.
Photographs and information on this active volcano in Mexico.
Information, photos, links and travel to Santorini, Stromboli, and other active volcanoes.
Online version of a United States Geological Survey brochure on the history and geology of eruptions at Mount St. Helens.
Guide to the world's best known and most accessible volcanoes. Each volcanic areas geology is accompanied by an eruptive history, walks and excursions. Includes an educational volcanic geology section.
Lecture notes for a course on volcanoes at the University of Massachusetts.
Eclectic site focused on Hawaiian volcanoes with links and cams to other volcanoes worldwide.
Provides news of this volcano in Iceland, views, warnings and resources.
Excellent data on Latin American volcanoes, professors of volcanology, volcano observatories, and Canadian volcanoes.
Provides information about volcanic hazard mitigation.
Fact sheet of Mount St. Helens volcanic activity 1980 to 2000.
General visitor information, photo gallery, monument attractions, volcano-cam, seismographic data and resource center links.
The volcanoes of southern Italy
Guide to volcanoes of Kamchatka with images.
Data on Stromboli Volcano in Italian.
Description of the complex geology of the Tweed Volcano in Australia, probably the largest, most easily accessible, erosion caldera in the world.
Photographs as Europe's most active volcano comes back to life.
Monitors volcanoes and collects scientific information on volcanoes in the United States and elsewhere to reduce the risk from volcanic activity.
Hawaii satellite images, Virtual field trips and flights past the volcanoes.
Provides information about volcanoes, eruption, and volcano treks, and links to other volcano educational sites. Includes links to volcano-cams.
Brings modern and near real-time volcano information.
Provides the latest news on activity and some videos of eruptions.
Comprehensive site with news about latest activity in English, German, and Norwegian.
Detailed information about US volcanoes by Steven R. Brantley of the U.S. Geological Survey.
Thanks to DMOZ, which built a great web directory for nearly two decades and freely shared it with the web. About us