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Results 21 - 30 of 109 for 'where volcanoes erupt' <<  1 2 3 4 5 6 7  >>
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In 1986 the eruption of Kilauea Volcano changed from the episodic fountaining of lava and gas at Pu`u O`o cone every few weeks to the continuous outpouring of lava from a new vent only 3 kilometers away. The volcano began releasing a large, steady supply of sulfur dioxide gas into the atmosphere. During the episodic activity, enough time had elapsed between fountaining episodes for the prevailing ... Full description.
Grade level: Middle (6-8), High (9-12), College (13-14)
Resource type: Map, Photograph, Ref. material
Subject: Atmospheric science, Environmental science, Natural hazards
 
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This web page describes the lahars that swept down the Drift River Valley during the 1989-90 eruption of Redoubt Volcano, Alaska, and the testing of a new experimental detection and warning system designed to track lahars and debris flows and to give warning to people downstream. In this case, an oil-storage facility in the Cook Inlet area was at risk. The seismometers used (acoustic-flow monitors) ... Full description.
Grade level: General public
Resource type: Report
Subject: Geophysics, Natural hazards
 
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Mount St. Helens erupted on May 18, 1980, devastating more than 150 square miles of forest in southwestern Washington state. This animation shows Landsat images of the Mount St. Helens area in 1973, 1983, and 2000, illustrating the destruction and regrowth of the forest. The 1983 image clearly shows the new crater on the northern slope where the eruption occurred, the rivers and lakes covered with ... Full description.
Grade level: College (13-14), College (15-16), Graduate / Professional
Resource type: Visualization - scientific
Subject: Forestry, Geology, Natural hazards
 
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Information given in this United States Geological Survey (USGS) publication includes a description of volcano landslides, how they are generated, and their effects on surrounding areas. Case studies of specific volcano landslides are linked from this page, including Mt. St. Helens, Otake in Japan, Huila in Columbia, Mt. Rainier, and Casita in Nicaragua. Full description.
Grade level: Middle (6-8), High (9-12), College (13-14)
Resource type: Illustration - scientific, Photograph, Ref. material
Subject: Geology, Natural hazards
 
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This United States Geological Survey (USGS) website covers general information about lahars and their effects on areas surrounding volcanoes. Information given includes a description of lahars, what triggers a lahar, and the economic and environmental damage they inflict. Links to USGS websites documenting specific lahar case studies are found throughout the page. Full description.
Grade level: Middle (6-8), High (9-12), College (13-14)
Resource type: Photograph, Ref. material
Subject: Geology, Natural hazards
 
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This homework exercise, which builds on knowledge gained in previous homework exercises located at the same site, asks students in an undergraduate class at Tulane University to answer some basic questions about volcanoes, and to determine the volcanic hazards associated with Mt. Rainier, Washington; Montserrat, West Indies; and Long Valley Caldera, California by searching the World Wide Web. Full description.
Grade level: High (9-12), College (13-14)
Resource type: Problem set
Subject: Geology, Natural hazards
 
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This online simulator lets students observe what happens to volcanic eruptions as the silica content of the magma changes. Operating a slider changes the percentage of silica, and the display shows the rock type, type of eruption, and type of volcanic edifice. It also displays temperature, pressure, viscosity of the lava, and seismic activity. A brief tutorial describes how to use the simulator and ... Full description.
Grade level: Intermediate (3-5), Middle (6-8), High (9-12)
Resource type: Computer activity
Subject: Geology, Natural hazards
 
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This resource about Mount Rainier, a stratovolcano in the Cascade Range, features links to all aspects of the volcano, including its geographic setting, and geologic and eruptive history. Students learn that Mount Rainier is the highest and third-most voluminous volcano in the Cascades and that it dominates the Seattle-Tacoma area, where more than 1.5 million know it fondly as The Mountain. Also, ... Full description.
Grade level: Middle (6-8), High (9-12), College (13-14)
Resource type: Government portal
Subject: Physical geography, Geology, Natural hazards
 
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National Science Education Standards (NSES): Read
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This article discusses the idea of 'hot spot' volcanoes, those not associated with plate tectonic boundaries, but rather with relatively stationary sources of heat energy (thermal plumes) in the mantle. Topics include the development of the theory by Canadian geophysicist J. Tuzo Wilson; the mechanics of volcanism over a hot spot as seen in the Hawaiian Islands; ancient Hawaiian observations of the ... Full description.
Grade level: Middle (6-8), High (9-12), College (13-14)
Resource type: Illustration - scientific, Photograph, Ref. material
Subject: Geology, Structural geology
 
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This clearinghouse features an extensive selection of maps, imagery, news articles, and other Earth science resources. Highlights include an interactive map of meteor impact structures, an interactive map showing the highest points in the 50 states, and a state-by-state directory of imagery, maps, and links to geological information. There are also listings for imagery for U.S. cities and the continents, ... Full description.
Grade level: Middle (6-8), High (9-12), College (13-14), College (15-16), Graduate / Professional
Resource type: Imagery - remotely sensed, Map, Glossary, Ref. material, Journal article, Clearinghouse
Subject: Geologic time, Geology, Geophysics, Mineralogy or petrology, Structural geology, Hydrology
 
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Results 21 - 30 of 109 for 'where volcanoes erupt' <<  1 2 3 4 5 6 7  >>