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Hazards
Potential dangers from both natural processes (e.g., earthquakes, floods, and climate change) and human impacts on the environment.
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Earthquake hazards (49 items)
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Results 91 - 100 of 167 listed by similarity [list alphabetically]
Carbon dioxide and helium discharge from Mammoth Mountain, Long Valley caldera, California [More info]
An explanation of toxic carbon dioxide emissions at Mammoth Mountain in Long Valley caldera, and a description of magmatic helium discharge at the Mammoth Mountain fumarole with photos, maps, and links to other studies.
Cascades Volcano Observatory [More info]
Portal to information provided by the Cascades Volcano Observatory in Vancouver, WA with links to reports and activity in the Cascade Range and other volcanoes and multiple links to general information on volcanology, reports, research, and maps.
Cascades Volcano Observatory - Learn about volcanoes [More info]
Educational volcano site providing answers to frequently asked volcano questions with links to other general information on volcanoes and to information on specific volcanoes including the Cascade Range volcanoes.
Cascades Volcano Observatory educational outreach: Available videos [More info]
Description of videos on Mount St. Helens, Mount Rainier, and Mt. Hood, with information on obtaining copies.
Costly landslide events in the United States: map layer description file [More info]
GIS data set from the USGS National Landslides Hazards Program showing major landslide events in the United States and Puerto Rico with metadata. Map layer can be downloaded in shapefile format or SDTS format.
Danger to aircraft from volcanic eruption clouds [More info]
Explanation of problems encountered by aircraft due to volcanic emissions.
PDF Drought Monitoring with VegDRI [More info]
The Vegetation Drought Response Index is a drought monitoring and mapping tool integrating satellite observations of vegetation and climate with land cover, soil characteristics, and other environmental factors.
PDF Emissions from Coal Fires and Their Impact on the Environment [More info]
Reviews how coal fires occur, how they can be detected by airborne and remote surveys, and, most importantly, the impact coal-fire emissions may have on the environment and human health, especially mercury, carbon dioxide, carbon monoxide, and methane.
Encounters of aircraft with volcanic ash clouds; A compilation of known incidents, 1953-2009 [More info]
Of 129 reported incidents, 94 are confirmed ash encounters, 79 of which entailed airframe or engine damage; 20 are low-severity events involving suspected ash or gas clouds; for 15 the data are insufficient to assess severity.
PDF Epic Flooding in Georgia, 2009 [More info]
In September of 2009, flooding in parts of Georgia reached levels expected every 500 years. Specific measurements we made and other facts about these disasters described here should help people prepare for floods here and elsewhere.
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