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CGS Seismic Hazards Program: Landslide Zones (DOC Hosted)
Note: The DOC hosted version will be maintained through 2022, but is being retired in favor of an ArcGIS Online Hosted version of the same data. Those data can be found at:... -
CGS Map Sheet 58: Deep-Seated Landslide Susceptibility
The Susceptibility to Deep-Seated Landslides map covers the entire state of California and was originally published in May of 2011 as CGS Map Sheet 58. It made use of several... -
CGS Information Warehouse: Tsunami Inundation Maps
Produced collectively by tsunami modelers, geologic hazard mapping specialists, and emergency planning scientists from the University of Southern California (USC) Tsunami... -
CGS Map Sheet 48: Earthquake Shaking Potential for California (revised 2016)
The California Geological Survey published maps of “Earthquake Shaking Potential for California” in 1999 and has revised the maps following each update of the National Seismic... -
CGS Map Sheet 48: Fault-based seismic sources used in the Uniform California ...
Data show fault-based seismic sources used in the time-independent component of the Uniform California Earthquake Rupture Forecast, Version 3 (UCERF3), which provides... -
CGS Map Sheet 48: National Loss from Earthquake Damage, Conterminous United S...
"Annualized Earthquake Losses (AEL) are economic losses from earthquake shaking-related building damage. These data use the most recent National Seismic Hazard Maps (the years... -
CGS Map Sheet 48: Historic Earthquakes, 1769 to 2015 - California (Magnitude ...
Epicenters of known M≥5 earthquakes from 1769 to 2016 are shown for California and a 100 km area bordering the state. Earthquakes are grouped by: M = 5-6; M = 6-7; M = 7+. -
CGS Map Sheet 48: Shear-wave Velocity in Upper 30m of Surficial Geology (Vs30)
This dataset represents simplified geologic units that have been correlated to the time-averaged seismic shear-wave velocity in the upper 30 meters of the earth’s surface... -
CGS Mineral Hazards: Indoor Radon Potential Study Areas
Study area boundaries for indoor radon potential conducted by the California Geological Survey. -
CGS Mineral Hazards: Indoor Radon Potential Zones
This digital layer contains polygons (vector format) of portions of California designated as having high, moderate, low, or unknown potential for homes to exceed the U.S. EPA...
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