3.8
Earthquake Details: 24 km W of Petrolia, California
Sep 10, 2026, 01:24:03
A magnitude 3.8 earthquake occurred near 24 km W of Petrolia, California on Sep 10, 2026 at 01:24:03. The seismic event was recorded at a depth of 19.56 km. No tsunami warning was issued.
No Tsunami WarningStatus: ReviewedType: Earthquake
Regional Seismicity
Technical Details
Depth19.56 km
Significance228
Latitude40.2937
Longitude-124.5697
Event IDnc75432947
Magnitude3.8
Updated:Sep 10, 2026, 05:07:23 UTC
External Resources
View on USGS Official SiteLoading map...
Time & depth
- Local time
- Sep 9, 2026, 18:24:03 PDT
- UTC
- Sep 10, 2026, 01:24:03 UTC
19.56 km · Shallow-focus
Less than 70 km deep. Shaking is often stronger near the epicentre.
Nearby major cities
Nearby event sequence · 7
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Earthquake information is automatically aggregated from the official seismic agencies listed below. Preliminary measurements can change as agencies review an event; use local emergency authorities for safety decisions. Latest successful data update: Sep 10, 2026, 05:07 UTC.
Data sources:
- USGS — Credit: U.S. Geological Survey.
- EMSC — Credit: EMSC/CSEM. Event catalogue data are provided under CC BY 4.0. CC BY 4.0
- JMA — Source: Japan Meteorological Agency (JMA).
- Geoscience Australia — Based on Australian Earthquakes data by Geoscience Australia. © Commonwealth of Australia. Licensed under CC BY 4.0; the section 5 disclaimer applies. CC BY 4.0
- GeoNet — We acknowledge the New Zealand GeoNet programme and its sponsors NHC, Earth Sciences NZ, LINZ, NEMA and MBIE for providing earthquake data.