• Organization: State of California
• Updated: 2025-12-31T18:12:27.000Z

The California Geological Survey (CGS) Map Sheet 48 (MS48) provides a depiction of expected ground shaking intensity from future earthquakes across the state. The shaking intensity is represented...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2025-04-30T00:00:00.000+00:00

The U.S. Earthquake Intensity Database (1638–1985) is a collection of damage and felt reports for more than 23,000 U.S. earthquakes. The database contains information regarding epicentral...

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