Home > Science > Earth Sciences > Natural Disasters and Hazards > Volcanoes
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.
http://www.volcano.si.edu/reports/usgs/index.cfm
Data on new activity and unrest, and ongoing activity at volcanoes throughout the world.
http://www.gomanzanillo.com/old_articles/volcano/
Photographs and information on this active volcano in Mexico.
http://www.decadevolcano.net/
Information, photos, links and travel to Santorini, Stromboli, and other active volcanoes.
http://pubs.usgs.gov/gip/msh/
Online version of a United States Geological Survey brochure on the history and geology of eruptions at Mount St. Helens.
http://www.explorevolcanoes.com/
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.
http://www.geo.umass.edu/courses/volcanology/
Lecture notes for a course on volcanoes at the University of Massachusetts.
http://www.volcanoupdate.com/
Eclectic site focused on Hawaiian volcanoes with links and cams to other volcanoes worldwide.
http://www.katla-volcano.co.uk/
Provides news of this volcano in Iceland, views, warnings and resources.
http://volcanoes.ca/index.html
Excellent data on Latin American volcanoes, professors of volcanology, volcano observatories, and Canadian volcanoes.
http://www.geo.mtu.edu/volcanoes/
Provides information about volcanic hazard mitigation.
http://pubs.usgs.gov/fs/2000/fs036-00/
Fact sheet of Mount St. Helens volcanic activity 1980 to 2000.
http://www.fs.usda.gov/mountsthelens
General visitor information, photo gallery, monument attractions, volcano-cam, seismographic data and resource center links.
http://vulcan.fis.uniroma3.it/
The volcanoes of southern Italy
http://www.kamchatka.org.ru/volcano.html
Guide to volcanoes of Kamchatka with images.
http://web.tiscali.it/stromboli_s.ballaro/
Data on Stromboli Volcano in Italian.
http://www.bigvolcano.com.au/natural/lostwrld.htm
Description of the complex geology of the Tweed Volcano in Australia, probably the largest, most easily accessible, erosion caldera in the world.
http://content.time.com/time/photogallery/0,29307,2052464,00.html
Photographs as Europe's most active volcano comes back to life.
http://volcanoes.usgs.gov/
Monitors volcanoes and collects scientific information on volcanoes in the United States and elsewhere to reduce the risk from volcanic activity.
http://satftp.soest.hawaii.edu/space/hawaii/
Hawaii satellite images, Virtual field trips and flights past the volcanoes.
http://www.volcanolive.com/
Provides information about volcanoes, eruption, and volcano treks, and links to other volcano educational sites. Includes links to volcano-cams.
http://volcano.oregonstate.edu/
Brings modern and near real-time volcano information.
http://www.volcanoes.de/
Provides the latest news on activity and some videos of eruptions.
http://www.vulkaner.no/v/
Comprehensive site with news about latest activity in English, German, and Norwegian.
http://pubs.usgs.gov/gip/volcus/
Detailed information about US volcanoes by Steven R. Brantley of the U.S. Geological Survey.
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