1.9

Earthquake Details: 32 km W of Petrolia, California, United States

Oct 29, 2026, 20:43:40

Depth
4.52 km
Felt reports
No data
Source: USGSUpdated: Oct 29, 2026, 09:17 PM UTC

A magnitude 1.9 earthquake occurred on Oct 29, 2026 at 20:43:40. Epicenter: 32 km W of Petrolia, California, United States. Reported depth: 4.52 km.

Tsunami information

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Time & depth

Local time
Oct 29, 2026, 12:43:40 GMT-8
UTC
Oct 29, 2026, 20:43:40 UTC
4.52 km · Shallow-focus

Less than 70 km deep. Shaking is often stronger near the epicentre.

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Nearby major cities

Eureka
71 km NE
Redding
194 km E
Chico
248 km E
Windsor
249 km SE
Nearby earthquakes · 12
M2.112 km SE of Livermore, CABeforeM2.614 km E of Seven Trees, CABeforeM2.8236 km W of Ferndale, CaliforniaBeforeM2.110 km N of Lake Pillsbury, CABeforeM4.010 km N of Lake Pillsbury, CABeforeM2.29 km N of Lake Pillsbury, CABeforeM2.612 km SW of Ridgemark, CABeforeM2.72 km NE of Pacifica, CABeforeM2.712 km SW of Ridgemark, CABeforeM2.23 km S of East Shore, CABeforeM2.410 km N of Lake Pillsbury, CAAfterM2.929 km W of Petrolia, CAAfter

Agency measurements

Agencies may use different observations and magnitude scales, and initial estimates can change.

  • USGSM 1.88

    nc75459492

    Depth:
    4.52 km
    Time:
    Updated:
    Oct 29, 2026, 09:17 PM UTC

Technical Details

Depth4.52 km
Significance54
Latitude40.2795
Longitude-124.6538
Event IDnc75459492
Magnitude1.9
Updated:Oct 29, 2026, 21:17:28 UTC

Regional Seismicity

View recent seismic activity near this event:

United StatesCaliforniaEureka (Nearest City)

External Resources

YouTube · Earthquake LiveView on USGS Official Site

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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 29, 2026, 21:17 UTC.

Data sources: