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MAGNITUDE 3.0 EARTHQUAKE STRIKES NEAR PETROLIA IN CALIF.

By CALWIRE Weather Desk — Monday, September 21, 2026
By CALWIRE Weather Desk  |  PUBLISHED: Monday, September 21, 2026
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Earthquake Resources
HAPPENING NOW — Sep 21, 3:31 PM PT
MAGNITUDE 3.0 EARTHQUAKE STRIKES NEAR PETROLIA IN CALIF.

A magnitude 3.0 earthquake centered about 21 kilometers west-southwest of Petrolia rattled the area at 11:54 a.m. PT on Saturday, according to the U.S. Geological Survey. The quake struck at a depth of 6 kilometers.

Related: MAGNITUDE 3.3 QUAKE STRIKES NEAR PETROLIA IN SOUTHERN CALIF · MINOR EARTHQUAKE STRIKES NEAR PETROLIA IN COASTAL CALIF.

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Two people reported feeling the temblor, USGS data shows. The remote Petrolia area, located in Monterey County along California's rugged Big Sur coast, sits in a seismically active region prone to small to moderate quakes.

See also: MAGNITUDE 2.6 EARTHQUAKE STRIKES NEAR PETROLIA IN MONTEREY COUNTY · MAGNITUDE 2.6 QUAKE STRIKES NEAR PETROLIA IN CALIF.

This is a developing story and will be updated as more information becomes available.

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Filed Under: Weather MAGNITUDE EARTHQUAKE STRIKES NEAR