M4.77 Earthquake – 97 km W of Petrolia, CA
29 September 2026, 11:36 UTC · 10 hours ago · Data: USGS
A magnitude 4.77 earthquake struck 97 km W of Petrolia, CA on 29 September 2026, 11:36 UTC, at a depth of 10 km. This was a light earthquake usually felt by people nearby.
- Magnitude
- 4.77 (mw)
- Location
- 97 km W of Petrolia, CA
- Date & time
- 29 September 2026, 11:36 UTC
- Coordinates
- 40.4225, -125.4183
- Depth
- 10.00 km
- Felt reports
- 17 (USGS "Did You Feel It?")
- PAGER alert
- Green
- Region
- Worldwide
- Source
- USGS event page
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