2.1

Earthquake Details: 19 km WSW of Petrolia, California, United States

Sep 16, 2026, 19:14:49

Depth
19.71 km
Felt reports
No data
Source: USGSUpdated: Sep 29, 2026, 11:12 AM UTC

A magnitude 2.1 earthquake occurred on Sep 16, 2026 at 19:14:49. Epicenter: 19 km WSW of Petrolia, California, United States. Reported depth: 19.71 km.

Status: Reviewed
Tsunami information

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Time & depth

Local time
Sep 16, 2026, 12:14:49 PDT
UTC
Sep 16, 2026, 19:14:49 UTC
19.71 km · Shallow-focus

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

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Nearby major cities

Eureka
65 km NE
Redding
182 km E
Chico
235 km E
Windsor
240 km SE

Agency measurements

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

  • USGSmd 2.15

    nc75436752

    Depth:
    19.71 km
    Status:
    Reviewed
    Time:
    Updated:
    Sep 29, 2026, 11:12 AM UTC

Technical Details

Depth19.71 km
Significance71
Latitude40.2730
Longitude-124.5010
Event IDnc75436752
Magnitude2.1
Updated:Sep 29, 2026, 11:12:23 UTC

Regional Seismicity

View recent seismic activity near this event:

United StatesCaliforniaEureka (Nearest City)

External Resources

View 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: Sep 29, 2026, 11:12 UTC.

Data sources: