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A major landslide occurred 4 miles (6.4 km) east of Oso, Washington, United States, on March 22, 2014, at 10:37 a.m. local time.A portion of an unstable hill collapsed, sending mud and debris to the south across the North Fork of the Stillaguamish River, engulfing a rural neighborhood, and covering an area of approximately 1 square mile (2.6 km 2).
Dragovich, J. D.; DeOme, A. J. (June 2006), "Geologic map of the McMurray 7.5-minute Quadrangle, Skagit and Snohomish Counties, Washington, with a Discussion of the Evidence for Holocene Activity on the Darrington–Devils Mountain Fault Zone", Washington Division of Geology and Earth Resources, Geological Map GM–61, 1 sheet, scale 1:24,000 ...
The map, a product of advanced data analysis and high-resolution elevation data, shows that roughly 44% of U.S. territory could experience landslide activity. For millions of Americans, their ...
Hazard data : this map of the USGS (United States Geological Survey). Additional data (rivers, borders, cities) : Demis compass rose from Compass rose pale.svg (opacified) created by Fibonacci under GFDL ; scale from Image:Scale_kilometres_miles_svg.svg by Sémhur under Public Domain.
Landslides occur around the world and have helped shape the Earth as we know it. The landslide that destroyed a rural neighborhood and claimed 43 lives in Oso, northeast of Seattle, 10 years ago ...
Using laser scans and GPS cameras, accurate down to one inch, the U.S. Geological Survey has so far mapped more than 600 landslides caused by Hurricane Helene.
USGS: Reducing Earthquake Hazards in the Pacific Northwest; USGS: Earthquake ground motion movies "Pinpointing devastation if Seattle Fault ruptures", The Seattle Times, 2005-02-20, archived from the original on 2005-02-22; Scenario for a Magnitude 6.7 Earthquake on the Seattle Fault Vivid and comprehensive. Washington State's Bridge Seismic ...
Detailed map of Mount Rainier's summit and northeast slope showing upper perimeter of Osceola collapse amphitheater (hachured line) The Osceola Mudflow, also known as the Osceola Lahar, was a debris flow and lahar in the U.S. state of Washington that descended from the summit and northeast slope of Mount Rainier, a volcano in the Cascade Range during a period of eruptions about 5,600 years ago.