MAGNITUDE 3.3 QUAKE STRIKES NEAR PETROLIA IN SOUTHERN CALIF
By CALWIRE Weather Desk | PUBLISHED: Wednesday, October 21, 2026
Earthquake Resources
- USGS Live Earthquake Map — real-time magnitude, depth, and aftershock tracking
- MyShake Early Warning App — California's free earthquake early-warning app
- Cal OES Earthquake Preparedness — official state guidance on what to do before, during, and after
HAPPENING NOW — Oct 21, 7:13 PM PT
MAGNITUDE 3.3 QUAKE STRIKES NEAR PETROLIA IN SOUTHERN CALIF
A magnitude 3.3 earthquake hit approximately 14 kilometers southeast of Petrolia, California, at 6:43 p.m. PT on Tuesday, according to the U.S. Geological Survey. The quake struck at a depth of 11 kilometers.
Related: MAGNITUDE 2.6 QUAKE STRIKES NEAR PETROLIA IN CALIF. · MAGNITUDE 3.6 QUAKE STRIKES NEAR PETROLIA IN COASTAL CALIF.
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Six people reported feeling the temblor. There is no immediate word on damage or injuries from the USGS.
See also: MAGNITUDE 2.7 QUAKE STRIKES NEAR PETROLIA IN REMOTE CALIF. COAST · MAGNITUDE 2.5 QUAKE STRIKES NEAR PETROLIA
This is a developing story and will be updated as more information becomes available.
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