3.1
Earthquake Details: 39 km SSW of Likely, California, United States
Oct 21, 2026, 15:55:24
- Depth
- 6.23 km
- Felt reports
- 3
Source: USGSUpdated: Oct 21, 2026, 05:07 PM UTC
A magnitude 3.1 earthquake occurred on Oct 21, 2026 at 15:55:24. Epicenter: 39 km SSW of Likely, California, United States. Reported depth: 6.23 km.
Tsunami information
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Time & depth
- Local time
- Oct 21, 2026, 08:55:24 PDT
- UTC
- Oct 21, 2026, 15:55:24 UTC
6.23 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
M2.44 km NNW of Hollister, CABeforeM2.42 km SSW of San Ramon, CABeforeM2.55 km WSW of Burning Man Earth, NevadaBeforeM2.44 km SE of San Ramon, CABeforeM3.180 km WNW of Ferndale, CABeforeM2.839 km SSW of Qualeys Camp, NVBeforeM2.732 km SE of Bodie, CABeforeM2.46 km N of Redwood Valley, CABeforeM2.413 km WSW of Kelseyville, CABeforeM2.52 km NW of The Geysers, CABeforeM3.314 km SE of Petrolia, CAAfterM3.223 km WSW of Gustine, CAAfter
Agency measurements
Agencies may use different observations and magnitude scales, and initial estimates can change.
- USGSM 3.13
nc75452891
- Depth:
- 6.23 km
- Time:
- Updated:
- Oct 21, 2026, 05:07 PM UTC
Technical Details
Depth6.23 km
Significance152
Latitude40.8835
Longitude-120.6062
Event IDnc75452891
Magnitude3.1
Updated:Oct 21, 2026, 17:07:32 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 21, 2026, 17:07 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).