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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... -
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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,... -
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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... -
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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... -
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 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... -
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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... -
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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.... -
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CalGEM District Boundaries
State of California —
District boundaries for the Geologic Energy Management Division in the California Department of Conservation. CalGEM is the Geologic Energy Management Division of the... -
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
Geologic Map of California (2010)
State of California —
This edition of the Geologic Map of California was prepared in recognition of the California Geological Survey's 150th Anniversary. It is an all-digital product built... -
State
CGS Map Sheet 58: Deep-Seated Landslide Susceptibility
State of California —
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... -
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WellSTAR Oil and Gas Facilities: Tanks
State of California —
This online map displays facility sites in group or by facility types in separate layers: including tanks.CalGEM is the Geologic Energy Management Division of the... -
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WellSTAR: Notices
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: Mineral Lands Classification
State of California —
Mineral Land Classification (MLC) studies are produced by the State Geologist as specified by the Surface Mining and Reclamation Act (SMARA, PRC 2710 et seq.) of... -
State
WellSTAR Oil and Gas Facilities: Boundaries
State of California —
This online map displays facility sites in group or by facility types in separate layers: Facility Boundary layer digitized by CalGEM to show the areas that delineate... -
State
Acid Matrix
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... -
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California Important Farmland Finder
State of California —
This application provides an easy way to calculate the area and type of Important Farmland in an area of interest.Important Farmland Maps are compiled by the Farmland...