M2.3

USGS earthquake · M2.33 km NNE of Graton, CA

Name: M2.3 earthquake at 3 km NNE of Graton, CA
Creator: U.S. Geological Survey
License: https://www.usgs.gov/information-policies-and-instructions/copyrights-and-credits

🇺🇸 - United States

Aug 30, 2026, 12:45 AM UTC · 63 days ago

Map centered on the earthquake at 3 km NNE of Graton, CA, with a marker at its epicenter

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Depth-0.7 km

Origin timeAug 30, 2026, 12:45 AM UTC

Coordinates38.460, -122.854

Tsunami flagNot reported

Magnitude scaleDuration magnitude

SolutionAutomatic, may be revised

Who felt it

Nearby places

The Geysers, California2 km E of the epicentre
Anderson Springs, California4 km W of the epicentre
Cobb, California5 km S of the epicentre
Middletown, California11 km WNW of the epicentre
Hidden Valley Lake, California16 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 · M2.33 km NNE of Graton, CA

Nearby places

U.S. Geological Survey

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