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Utah braces for the future Utah braces for the future

Almost 75 percent of Utah's population lives near the Wasatch Fault. Earth scientists have shown that this fault has repeatedly experienced strong earthquakes of magnitude 7 or larger and will continue to do so in the future. Efforts to increase public awareness of earthquake hazards in Utah have resulted in residents and community leaders taking actions that will save lives and reduce...
Authors
Michael N. Machette, William M. Brown

Bibliography for Hayes, Spurr, Crater Peak, Redoubt, Iliamna, Augustine, Douglas, and Aniakchak volcanoes, Alaska Bibliography for Hayes, Spurr, Crater Peak, Redoubt, Iliamna, Augustine, Douglas, and Aniakchak volcanoes, Alaska

Alaska has more than 40 active volcanoes, many of which are close to the major population centers of south-central Alaska. This bibliography was compiled to assist in the preparation of volcano hazard evaluations at Cook Inlet volcanoes. It lists articles, reports, and maps about the geology and hydrology of Hayes, Spurr, Redoubt, Iliamna, Augustine, and Douglas volcanoes in the Cook...
Authors
K.J. Lemke, B.A. May, A.M. Vanderpool

Hydrologic effects associated with the January 17, 1994 Northridge, California, earthquake Hydrologic effects associated with the January 17, 1994 Northridge, California, earthquake

This report compiles hydrologic observations in southern California associated with the 1994 Mw = 6.7 Northridge, California earthquake. In southern California, the largest ground water level change was a drop of 52 cm at Crystalaire. Most of the steplike water-level changes recorded following the Northridge earthquake agreed in direction with the sign of the calculated coseismic volume...
Authors
E.G. Quilty, C. D. Farrar, D. L. Galloway, S. N. Hamlin, R. J. Laczniak, E.A. Roeloffs, M.L. Sorey, D.E. Woodcock

Volcano hazards from Mount Rainier, Washington Volcano hazards from Mount Rainier, Washington

Mount Rainier—at 4393 meters (14,410 feet) the highest peak in the Cascade Range—is a dormant volcano whose load of glacier ice exceeds that of any other mountain in the conterminous United States. This tremendous mass of rock and ice, in combination with great topographic relief, poses a variety of geologic hazards, both during inevitable future eruptions and during the intervening...
Authors
R. Hoblitt, J. S. Walder, C. L. Driedger, K. M. Scott, P. T. Pringle, J.W. Vallance

Exploring storm surge Exploring storm surge

This video provides a thorough discussion of storm surge, one of the most dangerous elements of hurricanes and major storms. This video illustrates basic storm surge principles, shows actual footage of storm surge damage and relates high-water level data collection by the U.S. Geological Survey to the task of recreating the storm surge event.
Authors
A. B. Tihansky, A. D. Duerr
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