4.4
Earthquake Details: 184 km W of Ferndale, California
Aug 31, 2026, 08:36:48
A magnitude 4.4 earthquake occurred near 184 km W of Ferndale, California on Aug 31, 2026 at 08:36:48. The seismic event was recorded at a depth of 10 km. No tsunami warning was issued.
No Tsunami WarningStatus: ReviewedType: Earthquake
Regional Seismicity
Technical Details
Depth10 km
Significance299
Latitude40.5350
Longitude-126.4438
Event IDus7000td35
Magnitude4.4
Updated:Aug 31, 2026, 12:46:52 UTC
External Resources
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Time & depth
- Local time
- Aug 31, 2026, 01:36:48 PDT
- UTC
- Aug 31, 2026, 08:36:48 UTC
10 km · Shallow-focus
Less than 70 km deep. Shaking is often stronger near the epicentre.
Nearby major cities
Nearby event sequence · 12
M2.76 km NNW of Redwood Valley, CABeforeM2.666 km W of Petrolia, CABeforeM4.8136 km W of Ferndale, CaliforniaBeforeM4.885 km W of Petrolia, CABeforeM3.5off the coast of OregonBeforeM2.8209 km W of Ferndale, CaliforniaBeforeM2.9250 km W of Ferndale, CaliforniaBeforeM2.6264 km W of Ferndale, CaliforniaBeforeM2.977 km W of Petrolia, CABeforeM2.33 km NNE of Graton, CABeforeM2.28 km SE of Soda Bay, CABeforeM2.7186 km W of Bandon, OregonAfter
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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 31, 2026, 12:46 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.