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Topic: Volcano

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	Global Volcanism Program \| Volcanic Activity Reports \| SI / USGS Weekly Volcanic Activity Report
		N-S-trending fractures cutting across the volcano are associated with spatter cones, cinder cones, and maars located on the middle N flank and on the lower S flank down to Lake Nicaragua.
		Eruptions at Kilauea originate primarily from the summit caldera or along one of the lengthy E and SW rift zones that extend from the caldera to the sea.
		CVGHM reported that the Alert Status of Soputan was lowered on 23 November from 3 to 2 (on a scale of 1-4) based on a decrease in the number of earthquakes and seismic intensity, deformation measurements, and visual observations.
	www.volcano.si.edu /reports/usgs (3598 words)

	Capulin Volcano National Monument (U.S. National Park Service)
		A 2-mile paved road to the top of the volcano and paved trails into the crater and around its rim provide access to explore the volcano.
		Capulin Volcano is at more than 7000 feet in elevation.
		Capulin Volcano is approximately 4 miles in circumference at the base with a crater diameter of 1450 feet and an elevation of 8182 feet at the highest point.
	www.nps.gov /cavo (195 words)

	Volcano- EnchantedLearning.com
		A volcano is a place on the Earth's surface (or any other planet's or moon's surface) where molten rock, gases and pyroclastic debris erupt through the earth's crust.
		Volcanoes vary quite a bit in their structure - some are cracks in the earth's crust where lava erupts, and some are domes, shields, or mountain-like structures with a crater at the summit.
		Rock also comes from volcanoes in other forms, including ash (finely powdered rock that looks like dark smoke coming from the volcano), cinders (bits of fragmented lava), and pumice (light-weight rock that is full of air bubbles and is formed in explosive volcanic eruptions - this type of rock can float on water).
	www.enchantedlearning.com /subjects/volcano (370 words)

	Volcano - Wikipedia, the free encyclopedia
		A volcano is a geological landform on the surface of the earth (and other planets) where magma from the planet's interior erupts (or once erupted) to the surface.
		In 1989 the Voyager 2 spacecraft observed cryovolcanos (ice volcanoes) on Triton, a moon of Neptune, and in 2005 the Cassini-Huygens probe photographed fountains of frozen particles erupting from Enceladus, a moon of Saturn
		Volcano is thought to derive from Vulcano, a volcanic island in the Aeolian Islands of Italy whose name in turn originates from Vulcan, the name of a god of fire in Roman mythology.
	en.wikipedia.org /wiki/Volcano (3858 words)

	Reference.com/Encyclopedia/Volcano
		A volcano is a geological landform usually generated by the eruption through a vent in a planet's surface of magma, molten rock welling up from the planet's interior.
		Volcanoes of various types are found on other planets and their moons as well as on Earth.
		In 1989 the Voyager 2 spacecraft observed ice volcanoes (cryovolcanism) on Triton, a moon of Neptune, and in 2005 the Cassini-Huygens probe photographed fountains of frozen particles erupting from Saturn's moon Enceladus.
	www.reference.com /browse/wiki/Volcano (3422 words)

	NationMaster - Encyclopedia: Volcano
		Puu ÅŒÅ; (which means Hill of the ÅŒÅ Bird in Hawaiian, is often written as Puu Oo, and is roughly pronounced Poo-oo Ohh-ohh or in the IPA) is a cinder/spatter cone in the eastern rift zone of the KÄ«lauea volcano of the Hawaiian Islands.
		A volcano is a geological landform (usually a mountain) where magma (rock of the Earth's interior made molten or liquid by extremely high temperatures along with a reduction in pressure and/or the introduction of water or other volatiles) erupts through the surface of the planet.
		Although there are numerous volcanoes (some very active) on the solar system's rocky planets and moons, on Earth at least, this phenomenon tends to occur near the boundaries of the continental plates.
	www.nationmaster.com /encyclopedia/volcano (498 words)

	FEMA For Kids: Volcanoes
		volcano is a mountain that opens downward to a pool of molten rock below the surface of the earth.
		Volcano eruptions have been known to knock down entire forests.
		volcanoes in the U.S. are found mainly in Hawaii, Alaska, California, Oregon and Washington.
	www.fema.gov /kids/volcano.htm (170 words)

	Volcanic and Geologic Terms
		Compound Volcano: A volcano that consists of a complex of two or more vents, or a volcano that has an associated volcanic dome, either in its crater or on its flanks.
		Extinct Volcano: A volcano that is not presently erupting and is not likely to do so for a very long time in the future.
		Volcano: A vent in the surface of the Earth through which magma and associated gases and ash erupt; also, the form or structure (usually conical) that is produced by the ejected material.
	volcano.und.nodak.edu /vwdocs/glossary.html (4560 words)

	Mexican volcano erupts, spitting out ash, steam - World - theage.com.au
		Mexico's Popocatepetl volcano rumbled to life with six eruptions in the past two days, spewing steam and columns of ash more than two kilometres high.
		There were reports of ash raining down on parts of Mexico state and in the capital 65 kilometres to the northwest, the National Disaster Prevention Centre said in a statement.
		There appeared to be no injuries or damage and the eruptions were in line with the 5,450-metre volcano's normal activity, said Teofilo Hernandez, a researcher at the centre.
	www.theage.com.au /news/world/mexican-volcano-erupts/2007/12/02/1196530460420.html?s_cid=rss_news (345 words)

	Volcano News - John Seach
		Explosive eruptions are occurring at Kliuchevskoi volcano in Kamchatka, Russia.
		Taal volcano in the Philippines showed signs of unrest today when two volcanic earthquakes measuring 2 and 3 were felt at Pira-piraso village.
		According to the Hawaiian Volcano Observatory there was an intrusion of magma at the Mauna Ulu area early Sunday morning which moved slowly 5 km (3 miles) east along the rift zone during the day.
	www.volcanolive.com /volcanolive.html (794 words)

	Kilauea Volcano Eruption Information
		Kilauea volcano continues to erupt from the Pu`u `O`o vent on the East Rift Zone.
		NPS eruption crew Wednesday evening report: In the early evening, 2 lava streams were visible entering the ocean on the west side of the East Lae`apuki entry with a larger stream pouring in at the tip.
		View is toward the southwest along the coast of Kilauea Volcano at the eastern edge of the new lava entry.
	www.volcanogallery.com /volcano_eruption.htm (4313 words)

	Volcano, Volcanoes, Volcano Information at LiveScience.com
		Today’s existing terrestrial volcanoes are believed to have formed when molten rock or magma welled up in the Earth’s interior pushed its way to the surface causing the volcanoes’ initial eruptions.
		Volcanoes all generally fit into one of six different categories: Shield volcanoes, Cinder volcanoes, Stratovolcanoes, Submarine volcanoes, Subglacial volcanoes, and the most powerful volcano of all, the Supervolcano.
		Individual volcanoes are typically described as being either active (currently erupting), dormant (not currently active) or extinct (not expected to ever erupt again).
	www.livescience.com /volcanoes (331 words)

	Yellowstone Volcano Observatory
		The Yellowstone Volcano Observatory (YVO) was created as a partnership among the U.S. Geological Survey (USGS), Yellowstone National Park, and University of Utah to strengthen the long-term monitoring of volcanic and earthquake unrest in the Yellowstone National Park region.
		YVO is one of the five USGS Volcano Observatories that monitor volcanoes within the United States for science and public safety.
		The articles, Yellowstone National Park is a Volcano and Signs of Restlessness expand on the information in the video whereas the article, Volcanic Witness: An Interview with Bob Smith provides information from Bob Smith's, YVO's Coordinating Scientist from the University of Utah, four decades of work on Yellowstone.
	volcanoes.usgs.gov /yvo (1332 words)

	U.S. Geological Survey, Volcano Hazards Program
		A National Volcano Early Warning System (NVEWS) is being formulated by the Consortium of U.S. Volcano Observatories (CUSVO) to establish a proactive, fully integrated, national-scale monitoring effort that ensures the most threatening volcanoes in the United States are properly monitored in advance of the onset of unrest and at levels commensurate with the threats posed.
		Volcanic threat is the combination of hazards (the destructive natural phenomena produced by a volcano) and exposure (people and property at risk from the hazards).
		About half of the most threatening U.S. volcanoes are monitored at a basic level and a few are well monitored with a suite of modern instruments.
	volcanoes.usgs.gov (1242 words)

	Volcano Cameras and Seismographs - New Zealand (Site not responding. Last check: )
		They allow them to quickly assess the status of the volcanoes, especially if they have recently recorded unusual seismic events or there have been reports of eruptions.
		The images to the right of the volcano pictures are thumbnails of the latest seismograph recordings for that volcano.
		Volcano alert bulletins are issued whenever there is a significant change in volcanic activity in New Zealand.
	www.geonet.org.nz /volcanocam.html (147 words)

	Volcano Field Trip
		A buildup of lava and ash around the area of an eruption becomes a volcano.
		Volcanoes can erupt for a very brief time or they can erupt many times over millions of years.
		Mount St Helens was one of these sleeping volcanoes and it surprised everyone when it became active in 1980, causing a lot of destruction and loss of life.
	www.field-trips.org /sci/volcano/index.htm (141 words)

	Neopets.com: Volcano Run II - Online Games, Flash Games, Virtual Pet Community and more!
		On the other hand, if a game's NP ratio is 25 NP for every point scored, you'd only have to earn 40 points in the game to get the full 1,000 NP for playing.
		He’s flown too far into the depths of a seething Tyrannian volcano, and more than just his wings will end up singed if you don’t help him steer through the scorching hot rocks and boiling lava.
		See how far through the volcano’s tunnels you can guide Glubgar, but be sure to watch out for flying fiery bombs and a host of other burning obstacles.
	www.neopets.com /games/volcanorun.phtml (332 words)

	Mirage volcano Las Vegas Nevada - VEGAS.com
		After a few moments of foreboding silence, the cascading water begins to churn and a low rumble emerges from the heart of the once-dormant volcano.
		The best spot to watch the volcano erupt is on the Strip side, but you'll need to arrive about 10 minutes early if you want to find a viewing spot.
		The crowds flock to the attraction all week long; after all, it's not every day you get to see a volcano erupt in the middle of the desert.
	www.vegas.com /attractions/on_the_strip/volcano.html (225 words)

	Volcano
		If you live near a known volcano, active or dormant, be ready to evacuate at a moment's notice with these tips.
		Learn what a volcano is, get interesting volcano facts, read about famous volcanoes, or browse through a glossary of volcano terms.
		Students are faced with a real life problem and their goal is to use problem solving skills and Internet-based data (e.g., remotely sensed satellite images) to propose and defend a solution.
	www.42explore.com /volcano.htm (1264 words)

	Alaska Volcano Observatory
		The Alaska Volcano Observatory (AVO) is a joint program of the United States Geological Survey (USGS), the Geophysical Institute of the University of Alaska Fairbanks (UAFGI), and the State of Alaska Division of Geological and Geophysical Surveys (ADGGS).
		AVO continues to monitor Cleveland Volcano with satellite imagery as weather allows.
		The Alaska Volcano Observatory is a cooperative program of the U.S. Geological Survey, the University of Alaska Fairbanks Geophysical Institute, and the Alaska Division of Geological and Geophysical Surveys.
	www.avo.alaska.edu (181 words)

	MTU Volcanoes Page
		We could say a volcano is a liquid rock plumbing system which extends from several 10's of kilometers depth to the earth's surface, and includes the near vent deposits of eruptions.
		Volcanoes and People Scientists are not communication experts.
		Basic Guide to Volcanic Hazards prepared by Colleen M. Riley, MTU Volcanoes are beneficial to humans living on or near them.
	www.geo.mtu.edu /volcanoes (514 words)

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