3.9
Earthquake Details: 6 km SSW of Philo, California
Sep 26, 2026, 03:42:49
A magnitude 3.9 earthquake occurred near 6 km SSW of Philo, California on Sep 26, 2026 at 03:42:49. The seismic event was recorded at a depth of 9 km. No tsunami warning was issued.
No Tsunami WarningStatus: ReviewedType: Earthquake
Regional Seismicity
Technical Details
Depth9 km
Significance234
Latitude39.0091
Longitude-123.4710
Event IDew1790394170
Magnitude3.9
Updated:Sep 26, 2026, 03:43:17 UTC
External Resources
View on USGS Official SiteLoading map...
Time & depth
- Local time
- Sep 25, 2026, 20:42:49 PDT
- UTC
- Sep 26, 2026, 03:42:49 UTC
9 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 26, 2026, 03:43 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.