2.3
Earthquake Details: 3 km NNE of Graton, CA
Aug 30, 2026, 00:45:32
A magnitude 2.3 earthquake occurred near 3 km NNE of Graton, CA on Aug 30, 2026 at 00:45:32. The seismic event was recorded at a depth of -0.71 km. No tsunami warning was issued.
No Tsunami WarningStatus: ReviewedType: Earthquake
Regional Seismicity
Technical Details
Depth-0.71 km
Significance81
Latitude38.4602
Longitude-122.8545
Event IDnc75427012
Magnitude2.3
Updated:Aug 30, 2026, 02:07:22 UTC
External Resources
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Time & depth
- Local time
- Aug 29, 2026, 17:45:32 PDT
- UTC
- Aug 30, 2026, 00:45:32 UTC
-0.71 km · Shallow-focus
Less than 70 km deep. Shaking is often stronger near the epicentre.
Nearby major cities
Nearby event sequence · 12
M2.31 km SE of Pacifica, CABeforeM2.22 km NE of The Geysers, CABeforeM2.76 km NNW of Redwood Valley, CABeforeM2.722 km SE of Yosemite Valley, CABeforeM2.666 km W of Petrolia, CABeforeM4.8136 km W of Ferndale, CaliforniaBeforeM4.885 km W of Petrolia, CABeforeM2.8209 km W of Ferndale, CaliforniaBeforeM2.9250 km W of Ferndale, CaliforniaBeforeM2.6264 km W of Ferndale, CaliforniaBeforeM2.977 km W of Petrolia, CABeforeM4.4184 km W of Ferndale, CaliforniaAfter
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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: Aug 30, 2026, 02:07 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.