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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 (51 items)
Harmful algal blooms (0 items)
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Results 11 - 20 of 170 listed alphabetically [list by similarity]
PDF Bear Spray Safety Program [More info]
Explains for USGS employees and volunteers how best to defend against bear attacks when conducting field studies.
PDF Boiling water at Hot Creek - The dangerous and dynamic thermal springs in California's Long Valley Caldera [More info]
Explains how these hot surface waters form, why their temperature changes often, and provides safety guidance for visiting this area.
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.
PDF Coal-tar-based pavement sealcoat, polycyclic aromatic Hydrocarbons (PAHs), and environmental health [More info]
Pavement sealant contains chemicals that are known carcinogens, which get into nearby homes, lakes, and the air. Sealants based on coal tar release more dangerous chemicals than those based on asphalt.
Coastal change hazards digital library [More info]
Online catalog of reports and data on coastal change hazards, indexed by author, agency, project, location, feature type, and topic
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.
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