2.1
Earthquake Details: 0 km WSW of Diablo, California, United States
Oct 31, 2026, 14:18:46
- Depth
- 14.94 km
- Felt reports
- No data
Source: USGSUpdated: Oct 31, 2026, 02:42 PM UTC
A magnitude 2.1 earthquake occurred on Oct 31, 2026 at 14:18:46. Epicenter: 0 km WSW of Diablo, California, United States. Reported depth: 14.94 km.
Tsunami information
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Time & depth
- Local time
- Oct 31, 2026, 07:18:46 PDT
- UTC
- Oct 31, 2026, 14:18:46 UTC
14.94 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
M2.612 km SW of Ridgemark, CABeforeM2.72 km NE of Pacifica, CABeforeM2.712 km SW of Ridgemark, CABeforeM2.722 km SSW of Big Pine, CABeforeM2.929 km W of Petrolia, CABeforeM2.732 km SE of Bodie, CABeforeM2.927 km WSW of Westley, CAAfterM2.763 km W of Petrolia, CAAfterM2.955 km NNE of Gabbs, NevadaAfterM2.766 km W of Petrolia, CAAfterM2.63 km ESE of Berkeley, CAAfterM2.77 km NW of The Geysers, CAAfter
Agency measurements
Agencies may use different observations and magnitude scales, and initial estimates can change.
- USGSM 2.15
nc75460302
- Depth:
- 14.94 km
- Time:
- Updated:
- Oct 31, 2026, 02:42 PM UTC
Technical Details
Depth14.94 km
Significance71
Latitude37.8337
Longitude-121.9608
Event IDnc75460302
Magnitude2.1
Updated:Oct 31, 2026, 14:42:23 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 31, 2026, 14:42 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).