M3.3

USGS earthquake · M3.317 km WSW of Petrolia, CA

Name: M3.3 earthquake at 17 km WSW of Petrolia, CA
Creator: U.S. Geological Survey
License: https://www.usgs.gov/information-policies-and-instructions/copyrights-and-credits

🇺🇸 - United States

Sep 15, 2026, 7:18 AM UTC · 43 days ago

Map centered on the earthquake at 17 km WSW of Petrolia, CA, with a marker at its epicenter

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Depth9.0 km

Origin timeSep 15, 2026, 7:18 AM UTC

Coordinates40.293, -124.485

Tsunami flagNot reported

Reported shakingWeak (III)From 2 public reports

Magnitude scaleLocal magnitude

SolutionAutomatic, may be revised

Who felt it

Nearby places

Petrolia, California17 km WSW of the epicentre
Ferndale, California36 km SSW of the epicentre
Rio Dell, California39 km SW of the epicentre
Hydesville, California43 km SW 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 · M3.317 km WSW of Petrolia, CA

Nearby places

U.S. Geological Survey

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