3.4
Earthquake Details: 70 km W of Ferndale, California, United States
Oct 23, 2026, 05:38:19
- Depth
- 10.36 km
- Felt reports
- 1
Source: USGSUpdated: Oct 23, 2026, 01:23 PM UTC
A magnitude 3.4 earthquake occurred on Oct 23, 2026 at 05:38:19. Epicenter: 70 km W of Ferndale, California, United States. Reported depth: 10.36 km.
Tsunami information
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Time & depth
- Local time
- Oct 22, 2026, 21:38:19 GMT-8
- UTC
- Oct 23, 2026, 05:38:19 UTC
10.36 km · Shallow-focus
Less than 70 km deep. Shaking is often stronger near the epicentre.
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Nearby major cities
Nearby earthquakes · 12
M1.84 km NW of The Geysers, CABeforeM3.180 km WNW of Ferndale, CABeforeM2.46 km N of Redwood Valley, CABeforeM2.413 km WSW of Kelseyville, CABeforeM2.52 km NW of The Geysers, CABeforeM2.13 km SW of Anderson Springs, CABeforeM3.139 km SSW of Likely, CABeforeM1.89 km NW of The Geysers, CABeforeM2.330 km NNW of Covelo, CABeforeM3.314 km SE of Petrolia, CABeforeM1.813 km SE of Petrolia, CABeforeM2.130 km WSW of Petrolia, CABefore
Agency measurements
Agencies may use different observations and magnitude scales, and initial estimates can change.
- USGSM 3.37
nc75453736
- Depth:
- 10.36 km
- Time:
- Updated:
- Oct 23, 2026, 01:23 PM UTC
Technical Details
Depth10.36 km
Significance175
Latitude40.6178
Longitude-125.0938
Event IDnc75453736
Magnitude3.4
Updated:Oct 23, 2026, 13:23:00 UTC
Regional Seismicity
External Resources
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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: Oct 23, 2026, 13:23 UTC.
Data sources:
- USGS — Credit: U.S. Geological Survey.
- EMSC — Credit: EMSC/CSEM. Event catalogue data are provided under 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.
- GeoNet — We acknowledge the New Zealand GeoNet programme and its sponsors NHC, Earth Sciences NZ, LINZ, NEMA and MBIE for providing earthquake data.
- CENC / Wolfx — CENC earthquake parameters via Wolfx, an independent unofficial relay.
- GFZ / GEOFON — Locations, depths and magnitudes: GFZ/GEOFON using GEVN network data (CC BY 4.0).