M2.5

USGS earthquake · M2.521 km W of Petrolia, CA

Name: M2.5 earthquake at 21 km W of Petrolia, CA
Creator: U.S. Geological Survey
License: https://www.usgs.gov/information-policies-and-instructions/copyrights-and-credits

🇺🇸 - United States

Sep 21, 2026, 10:41 PM UTC · 35 days ago

Map centered on the earthquake at 21 km W of Petrolia, CA, with a marker at its epicenter

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Depth10.5 km

Origin timeSep 21, 2026, 10:41 PM UTC

Coordinates40.304, -124.536

Tsunami flagNot reported

Magnitude scaleDuration magnitude

SolutionAutomatic, may be revised

Who felt it

Nearby places

Petrolia, California25 km W of the epicentre
Ferndale, California40 km SW of the epicentre
Rio Dell, California45 km WSW of the epicentre
Fortuna, California48 km SW of the epicentre
Hydesville, California49 km WSW of the epicentre

Places listed by USGS. Distances are to the epicentre.

Official source

U.S. Geological Survey

Terremoto preserves this event snapshot for a stable public link. USGS remains the authoritative source for revisions and scientific details. Shaking contours and population estimates come from USGS ShakeMap and PAGER, which revise them as more data arrives.

View the USGS record ↗

USGS earthquake · M2.521 km W of Petrolia, CA

Nearby places

U.S. Geological Survey

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