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This map describes the possible hazard from earthquake-inducedlandslides for the city of Berkeley, CA. The hazard depicted bythis map was modeled for a scenario corresponding to an M=7.1earthquake on the Hayward, CA fault. This scenario magnitude isassociated with complete rupture of the northern and southernsegments of the Hayward fault, an event that has an estimatedreturn period of about 500 years. The modeled hazard alsocorresponds to completely saturated ground-water conditionsresulting from an extreme storm event or series of storm events.This combination of earthquake and ground-water scenariosrepresents a particularly severe state of hazard for earthquake-induced landslides. For dry ground-water conditions,...
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The 17 January 1994 Northridge, California, earthquake (M=6.7)triggered more than 11,000 landslides over an area of about 10,000km2. Most of the landslides were concentrated in a 1,000-km2 areathat includes the Santa Susana Mountains and the mountains north ofthe Santa Clara River valley. We mapped landslides triggered by theearthquake in the field and from 1:60,000-scale aerial photographyprovided by the U.S. Air Force and taken the morning of theearthquake; these were subsequently digitized and plotted in aGIS-based format, as shown on the accompanying maps (which also areaccessible via Internet). Most of the triggered landslides wereshallow (1-5 m), highly disrupted falls and slides in weaklycemented Tertiary...
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This data set maps the soil-slip susceptibility for severalareas in southwestern California. Created using EnvironmentalSystems Research Institute's ARC/INFO software, the data baseconsists of raster maps containing grid cells coded with soil-slip susceptibility values. In addition, the data set includesthe following graphic and text products: (1) postscript graphicplot files containing the soil-slip susceptibility map,topography, cultural data, and a key of the colored map units,and (2) PDF and text files of the Readme (including themetadata file as an appendix) and accompanying text, and a PDFfile of the plot files.Intense winter rains commonly generated debris flows in uplandareas of southwestern California....
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This map describes the possible hazard from earthquake-inducedlandslides for the cities of Oakland and Piedmont, CA. Thehazard depicted by this map was modeled for a scenariocorresponding to an M=7.1 earthquake on the Hayward, CA fault.This scenario magnitude is associated with complete rupture ofthe northern and southern segments of the Hayward fault, an eventthat has an estimated return period of about 500 years. Themodeled hazard also corresponds to completely saturated ground-water conditions resulting from an extreme storm event or seriesof storm events. This combination of earthquake and ground-waterscenarios represents a particularly severe state of hazard forearthquake-induced landslides. For dry ground-water...


    map background search result map search result map Seismic Landslide Hazard for the City of Berkeley, California Seismic Landslide Hazard for the Cities of Oakland and Piedmont, California Preliminary soil-slip susceptibility maps, southwestern California Inventory of landslides triggered by the 1994 Northridge, California earthquake Seismic Landslide Hazard for the City of Berkeley, California Seismic Landslide Hazard for the Cities of Oakland and Piedmont, California Inventory of landslides triggered by the 1994 Northridge, California earthquake Preliminary soil-slip susceptibility maps, southwestern California