3.1
Earthquake Details: 10 km WNW of Cobb, California
Sep 10, 2026, 20:36:38
A magnitude 3.1 earthquake occurred near 10 km WNW of Cobb, California on Sep 10, 2026 at 20:36:38. The seismic event was recorded at a depth of 3.86 km. No tsunami warning was issued.
No Tsunami WarningStatus: ReviewedType: Earthquake
Regional Seismicity
Technical Details
Depth3.86 km
Significance154
Latitude38.8622
Longitude-122.8258
Event IDnc75433297
Magnitude3.1
Updated:Sep 11, 2026, 00:46:49 UTC
External Resources
View on USGS Official SiteLoading map...
Time & depth
- Local time
- Sep 10, 2026, 13:36:38 PDT
- UTC
- Sep 10, 2026, 20:36:38 UTC
3.86 km · Shallow-focus
Less than 70 km deep. Shaking is often stronger near the epicentre.
Nearby major cities
Nearby event sequence · 8
M3.736 km E of Hydesville, CaliforniaBeforeM2.611 km WNW of Cobb, CaliforniaBeforeM2.712 km WNW of Cobb, CaliforniaBeforeM3.820 km WSW of Petrolia, CaliforniaBeforeM3.621 km W of Petrolia, CaliforniaBeforeM2.52 km ESE of Oakland, CaliforniaBeforeM3.010 km WNW of Cobb, CaliforniaBeforeM2.51 km N of The Geysers, CaliforniaAfter
You may also find these tools useful
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 11, 2026, 00:46 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.