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M 4.8 earthquake — 52km W of Petrolia, CA
December 20, 2021 · USGS event nc71126864
Magnitude
4.84 (ml)
Depth
19.88 km
Location
52km W of Petrolia, CA
Coordinates
40.350, -124.899
Other earthquakes in California around this time
Source: U.S. Geological Survey, Earthquake Hazards Program (ANSS Comprehensive Catalog). Magnitudes and locations for older events are revised as methods improve. This is a catalogue record, not a forecast.