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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
Hydraulic Fracturing
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: Most Recent
State of California —
This dataset may be a mix of two years and is updated as the data is released for each county. For example, one county may have data from 2014 while a neighboring... -
State
Acid Fracturing
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
CGS Seismic Hazards Program: Unevaluated Areas
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
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: Liquefaction Zones
State of California —
This is a digital Seismic Hazard Zone Map presenting areas where liquefaction may occur during a strong earthquake. Developers of properties falling within a seismic... -
State
DMR All Mines
State of California —
This service presents location, status, and other information regarding mining operations regulated under the Surface Mining and Reclamation Act of 1975 (SMARA) in... -
State
WellSTAR Notices and Permits: Well Permits
State of California —
This online map provides the locations of submitted Well Permit records from CalGEM’s Well Statewide Tracking and Reporting System (WellSTAR) database. Records... -
State
Public Land Survey System (PLSS): Sections
State of California —
In support of new permitting workflows associated with anticipated WellSTAR needs, the CalGEM GIS unit extended the existing BLM PLSS Township & Range grid to... -
State
California Important Farmland: 2018
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
WellSTAR Notices and Permits: Well Stimulation Permits
State of California —
This online map provides the locations of submitted Well Stimulation Permit records from CalGEM’s Well Statewide Tracking and Reporting System (WellSTAR) database.... -
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
CGS Information Warehouse: Landslide Maps and Reports
State of California —
Since the 1960's, the California Geological Survey (CGS) has produced numerous maps that show landslide features and delineate potential slope-stability problem... -
State
California Important Farmland: 2010
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
Oil and Gas Field Administrative Boundaries
State of California —
Administrative boundaries for oil and gas fields in California.CalGEM is the Geologic Energy Management Division of the California Department of Conservation,... -
State
WellSTAR Underground Gas Storage: Project Boundaries
State of California —
This online map displays California’s active Underground Gas Storage (UGS) projects and wells associated to UGS projects. Project data and well data are provided by...