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Filters Date Range Past year (2) Past month (0) Past week (0) Past day (0) Custom range... To   Search Extensions Shapefile (2) ArcGIS REST Service (1) Types Map Service (3) Downloadable (2) OGC WFS Layer (2) OGC WMS Layer (2) Shapefile (2) ArcGIS REST Map Service (1) OGC WMS Service (1) Contacts Jamie L Jones U.S. Geological Survey, SOUTHWEST REGION U.S. Geological Survey - ScienceBase Lydia M Staisch Sabrina N Martinez More... Tag Types Theme (4) USGS Scientific Topic Keyword (2) Place (3) Harvest Set (2) Tag Schemes None (4) USGS Thesaurus (2) Common geographic areas (2) ISO 19115 Topic Category (1) View Results as: JSON ATOM CSV

Liquefaction Susceptibility and Site Class Maps of Washington State, by County In response to the Nisqually earthquake of 2001, DGER was awarded a grant by the Federal Emergency Management Agency and Washington Emergency Management Division to develop two types of earthquake hazard maps for every county in the state—liquefaction susceptibility maps, which outline areas where water-saturated sandy soil loses strength during earthquake shaking, and NEHRP (National Earthquake Hazards Reduction Program) site class maps, which outline areas where soils amplify ground shaking. The maps will be used by state and local governments to update existing hazard mitigation plans and to delineate geologically hazardous areas under the Growth Management Act. In response to the Nisqually earthquake of... Categories: Data; Types: ArcGIS REST Map Service, Map Service; Tags: Class, DNR, Geology, Natural Resources, Site, All tags... Wshington, liquefaction, susceptibility, Fewer tags Multi-hazard exposure intensity as a result of HayWired earthquake scenario mainshock (April 18, 2018) surface offset, ground shaking, landslide, liquefaction, and fire following hazards in the San Francisco Bay area, California These data are a geospatial representation of potential multi-hazard exposure intensity for the HayWired earthquake scenario mainshock, a magnitude 7.0 earthquake occurring on the Hayward Fault on April 18, 2018, with an epicenter in the city of Oakland, CA. These data take existing mainshock hazard data (surface offset, ground shaking, landslide, liquefaction, and fire following earthquake) and combine them into a single multi-hazard intensity surface intended for estimating the extent of potential exposure to these hazards. This vector .SHP dataset was developed and intended for use in GIS applications such as ESRI's ArcGIS software suite. These data support the following publication: Jones, J.L., Wein, A.M.,... Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service, Shapefile; Tags: California, HayWired, San Francisco Bay area, earthquakes, fire following earthquake, All tags... hazards, landslides, liquefaction, surface offset, Fewer tags Compiled onshore and offshore paleoseismic data along the Cascadia Subduction zone The USGS Powell Center Cascadia earthquake hazards working group compiled published onshore and offshore paleoseismic data along the Cascadia subduction zone, spanning sites from Vancouver Island to the Mendocino triple junction. Evidence for megathrust rupture includes coastal land-level change, tsunami inundation, onshore shaking proxies such as landslides or liquefaction, and offshore shaking proxies such as marine turbidites. The quality of paleoseismic data for megathrust rupture along the Cascadia subduction zone collected over the past three decades varies because analytical capabilities and data collection methodologies have evolved. Thus, as part of the compilation, we also present a ranking scheme to assess... Categories: Data; Tags: Aquatic Biology, British Columbia, California State, Cascadia subduction zone, Ecology, All tags... Geomorphology, Marine Geology, Oregon State, Sedimentology, Seismology, Stratigraphy, USGS Science Data Catalog (SDC), Washington State, earthquake, economy, lacustrine turbidite, landslide, liquefaction, marine turbidite, paleoseismic, subsidence, tsunami, Fewer tags Expanded liquefaction probability as a result of HayWired earthquake scenario mainshock (April 18, 2018) shaking in the San Francisco Bay area, California These data are an expanded geospatial representation of liquefaction probability for the HayWired earthquake scenario, a magnitude 7.0 earthquake occurring on the Hayward Fault on April 18, 2018, with an epicenter in the city of Oakland, CA. These data supplement the liquefaction probability analysis completed by Jones and others (2017) for the earthquake hazards volume of the HayWired earthquake scenario, which was the product of an analysis that created a detailed liquefaction probability map covering the northern Santa Clara County and western Alameda County areas. This expanded liquefaction probability dataset makes use of FEMA's Hazus-MH 2.1 loss-estimation software and liquefaction susceptibility data by Knudsen... Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: California, HayWired, San Francisco Bay area, earthquakes, hazards, All tags... liquefaction, Fewer tags Earthquake triggered ground failure associated with the M7.1 2018 southcentral Alaska Earthquake (ver. 2.0, December 2023) The November 30, 2018, magnitude (Mw) 7.1 Anchorage, Alaska earthquake triggered substantial ground failure throughout Anchorage and surrounding areas (Grant and others, 2020; Jibson and others, 2020). The earthquake was an intraslab event with a focal depth of about 47 km and an epicenter about 16 km north of the city of Anchorage. Peak ground accelerations reached ∼30% g. Despite the relatively low severity of most of the ground failure occurrences, geotechnical damage to buildings and structures was widespread (Franke and others, 2019). Here, we present an inventory of the earthquake-triggered ground failure based on information compiled from numerous data sources. The inventory is comprised of 886 points that... Categories: Data; Tags: Geomorphology, Remote Sensing, USGS Science Data Catalog (SDC), earthquake, ground failure, All tags... landslides, liquefaction, Fewer tags