2.2
Earthquake Details: 35 km WSW of Petrolia, California, United States
Oct 31, 2026, 15:59:10
- Depth
- 7.22 km
- Felt reports
- No data
Source: USGSUpdated: Oct 31, 2026, 04:12 PM UTC
A magnitude 2.2 earthquake occurred on Oct 31, 2026 at 15:59:10. Epicenter: 35 km WSW of Petrolia, California, United States. Reported depth: 7.22 km.
Tsunami information
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Time & depth
- Local time
- Oct 31, 2026, 07:59:10 GMT-8
- UTC
- Oct 31, 2026, 15:59:10 UTC
7.22 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, CABeforeM1.91 km NNW of Gerlach, NevadaBeforeM2.712 km SW of Ridgemark, CABeforeM2.23 km S of East Shore, CABeforeM1.932 km W of Petrolia, CABeforeM2.410 km N of Lake Pillsbury, CABeforeM2.929 km W of Petrolia, CABeforeM2.16 km WNW of Cobb, CABeforeM2.20 km WSW of Diablo, CABeforeM2.927 km WSW of Westley, CAAfterM2.763 km W of Petrolia, CAAfter
Agency measurements
Agencies may use different observations and magnitude scales, and initial estimates can change.
- USGSM 2.19
nc75460327
- Depth:
- 7.22 km
- Time:
- Updated:
- Oct 31, 2026, 04:12 PM UTC
Technical Details
Depth7.22 km
Significance74
Latitude40.2585
Longitude-124.6893
Event IDnc75460327
Magnitude2.2
Updated:Oct 31, 2026, 16:12:22 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, 16:12 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).