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CGS Map Sheet 48: Earthquake Shaking Potential for California (revised 2016)
State of California —
The California Geological Survey published maps of “Earthquake Shaking Potential for California” in 1999 and has revised the maps following each update of the... -
State
CGS Map Sheet 48: Shear-wave Velocity in Upper 30m of Surficial Geology (Vs30)
State of California —
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... -
State
Earthquake Zones of Required Investigation
State of California —
The California Earthquake Hazards Zone Application ("EQ Zapp") is an online map that allows anyone with a computer, tablet or smartphone to conveniently check... -
State
California Landslide Inventory and Deep Landslide Susceptiblity
State of California —
California Landslide InventoryThe statewide landslide map database shows many of the landslides mapped by CGS and others over the past 50 years. Each feature includes... -
State
CGS Information Warehouse: Tsunami Inundation Maps
State of California —
Produced collectively by tsunami modelers, geologic hazard mapping specialists, and emergency planning scientists from the University of Southern California (USC)... -
State
CGS Information Warehouse: Regulatory Maps
State of California —
Alquist-Priolo Earthquake Fault Zoning Act (1972) and the Seismic Hazards Mapping Act (1990) direct the State Geologist to delineate regulatory "Zones of Required... -
State
Approved Notice of Intention/Permit
State of California —
This online map locates the wells that have NOI records in the CalGEM WellSTAR database, and provides well NOI information including operator, lease, Notice of... -
State
Primacy Aquifer Exemptions
State of California —
This dataset is a partial rendition of the CalGEM (formerly the California Division of Oil, Gas, and Geothermal Resources) publication called California Oil and Gas... -
State
CGS Map Sheet 48: Historic Earthquakes, 1769 to 2015 - California (Magnitude 5.0-plus)
State of California —
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... -
State
CGS Map Sheet 48: Slip Rates - UCERF3
State of 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... -
State
CGS Information Warehouse: Mineral Land Classification Maps (SMARA Study Areas)
State of California —
Mineral Land Classification studies are produced by the State Geologist as specified by the Surface Mining and Reclamation Act (SMARA, PRC 2710 et seq.) of 1975. To... -
State
CGS Seismic Hazards Program: Landslide Zones
State of California —
This is a digital Seismic Hazard Zone Map presenting areas where liquefaction and landslides may occur during a strong earthquake. Three types of geological hazards,... -
State
California Important Farmland: 1992
State of California —
Established in 1982, Government Code Section 65570 mandates FMMP to biennially report on the conversion of farmland and grazing land, and to provide maps and data to... -
State
CGS Map Sheet 48: National Loss from Earthquake Damage, Conterminous United States (2014 Estimate)
State of California —
"Annualized Earthquake Losses (AEL) are economic losses from earthquake shaking-related building damage. These data use the most recent National Seismic Hazard Maps... -
State
WellSTAR Oil and Gas Facilities: Pits and Sumps
State of California —
This online map displays facility sites in group or by facility types in separate layers: including pits and sumps.CalGEM is the Geologic Energy Management Division... -
State
Well Stimulation Permit
State of California —
This online map locates the wells that have NOI records in the CalGEM WellSTAR database, and provides well NOI information including operator, lease, Notice of... -
State
California Important Farmland: 1988
State of California —
Established in 1982, Government Code Section 65570 mandates FMMP to biennially report on the conversion of farmland and grazing land, and to provide maps and data to... -
State
CalGEM: Geothermal Wells
State of California —
This online map represents geothermal wells regulated by the Geologic Energy Management Division. CalGEM is the Geologic Energy Management Division of the California... -
State
WellSTAR: Oil and Gas Facilities
State of California —
This online map displays facility sites in group or by facility types in separate layers: 1. All facility types in separate layers including tank, tank setting, pit,... -
State
Well Finder
State of California —
The Geologic Energy Management Division's (CalGEM) online mapping application Well Finder presents California’s oil and gas industry information from the...