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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 hazard zone may be required to...
Search relevance: 1.00 | Views last month: 24 | Catalog Last Checked: July 31, 2026 at 08:45 PM -
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 a database record showing at...
Search relevance: 1.00 | Views last month: 19 | Catalog Last Checked: July 31, 2026 at 08:47 PM -
​​​​​​​​The Geologic Energy Management Division's (CalGEM) online mapping application Well Finder presents California’s oil and gas industry information from the geographic perspective. You can...
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The California Earthquake Hazards Zone Application ("EQ Zapp") is an onlin​e map that allows anyone with a computer, tablet or smartphone to conveniently check whether a property is in an...
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This data set contains the Alquist-Priolo Earthquake Fault Zones as shown on the Official Alquist-Priolo Earthquake Fault Zones Maps. The dataset is comprised of polygons that form regulatory zone...
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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 1975. To address mineral resource...
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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, referred to as seismic hazard...
Search relevance: 1.00 | Views last month: 6 | Catalog Last Checked: July 31, 2026 at 08:45 PM -
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, and pipeline layers. 2....
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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 local government and the...
Search relevance: 1.00 | Views last month: 4 | Catalog Last Checked: July 31, 2026 at 08:47 PM -
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 local government and the...
Search relevance: 1.00 | Views last month: 4 | Catalog Last Checked: July 31, 2026 at 08:47 PM -
This online map represents geothermal wells regulated by the Geologic Energy Management Division. CalGEM is the Geologic Energy Management Division of the California Department of Conservation,...
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This service presents location, status, and other information regarding mining operations regulated under the Surface Mining and Reclamation Act of 1975 (SMARA) in California. The data presented...
Search relevance: 1.00 | Views last month: 3 | Catalog Last Checked: July 31, 2026 at 08:51 PM -
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, referred to as seismic hazard...
Search relevance: 1.00 | Views last month: 3 | Catalog Last Checked: July 31, 2026 at 08:45 PM -
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 on the original compilation...
Search relevance: 1.00 | Views last month: 3 | Catalog Last Checked: July 31, 2026 at 08:47 PM -
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 local government and the...
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: July 31, 2026 at 08:47 PM -
This post primacy aquifer exemption data depicts areas exempted by the US EPA for Class II injection after the March 14, 1983 Primacy agreement between the US EPA and CalGEM. This dataset...
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Administrative boundaries for oil and gas fields in California.CalGEM is the Geologic Energy Management Division of the California Department of Conservation, formerly the Division of Oil, Gas,...
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This online map provides the locations of submitted Well Stimulation Permit records from CalGEM’s Well Statewide Tracking and Reporting System (WellSTAR) database. Records contain attributes...
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: July 31, 2026 at 08:53 PM -
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 local government and the...
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: July 31, 2026 at 08:53 PM -
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 local government and the...
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: July 31, 2026 at 08:47 PM
