Earthquake Details: 4 km S of Petrolia, California, United States

8/14/2026, 12:11:42 PM

A magnitude 2.7 earthquake occurred near 4 km S of Petrolia, California, United States on 8/14/2026 at 12:11:42 PM. The seismic event was recorded at a depth of 10.3 km. No tsunami warning was issued.

No Tsunami WarningStatus: reviewedType: earthquake

Regional Seismicity

View recent seismic activity near this event:

United States California Eureka (Nearest City)

Technical Details

Depth10.3 km

Significance109

Latitude40.2912

Longitude-124.2810

Event IDnc75418182

Magnitude2.7

Updated:8/14/2026, 3:17:26 PM

External Resources

View on USGS Official Site

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Time & depth

Local time: 8/14/2026, 5:11:42 AM PDT
UTC: 8/14/2026, 12:11:42 PM UTC

10.3 km · Shallow-focus

Less than 70 km deep. Shaking is often stronger near the epicentre.

Nearby major cities

Nearby event sequence · 5

M3.26 km NW of The Geysers, California, United StatesBefore8/12/2026, 10:28:21 AM M3.26 km NW of The Geysers, California, United StatesBefore8/12/2026, 10:30:10 AM M2.831 km NNW of Covelo, California, United StatesBefore8/12/2026, 11:27:29 PM M3.83 km N of San Leandro, California, United StatesBefore8/13/2026, 3:30:04 PM M2.84 km N of San Leandro, California, United StatesBefore8/13/2026, 4:07:22 PM

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: Aug 14, 2026, 03:17 PM UTC. Data sources: USGS / EMSC / JMA / Geoscience Australia / GeoNet.