4.9
Earthquake Details: 15 km NNW of Susanville, California, United States
Dec 31, 2025, 05:49:32
- Depth
- 5.32 km
- Felt reports
- 625
Source: USGSUpdated: Oct 28, 2026, 05:59 AM UTC
A magnitude 4.9 earthquake occurred on Dec 31, 2025 at 05:49:32. Epicenter: 15 km NNW of Susanville, California, United States. Reported depth: 5.32 km.
Status: Reviewed
Tsunami information
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Time & depth
- Local time
- Dec 30, 2025, 21:49:32 PST
- UTC
- Dec 31, 2025, 05:49:32 UTC
5.32 km · Shallow-focus
Less than 70 km deep. Shaking is often stronger near the epicentre.
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Nearby major cities
Agency measurements
Agencies may use different observations and magnitude scales, and initial estimates can change.
- USGSmw 4.92
nc75288851
- Depth:
- 5.32 km
- Status:
- Reviewed
- Time:
- Updated:
- Oct 28, 2026, 05:59 AM UTC
Technical Details
Depth5.32 km
Significance791
Latitude40.5443
Longitude-120.6923
Event IDnc75288851
Magnitude4.9
Updated:Oct 28, 2026, 05:59:39 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 28, 2026, 05:59 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).