M2.2

USGS earthquake · M2.21 km E of Port Costa, CA

Name: M2.2 earthquake at 1 km E of Port Costa, CA
Creator: U.S. Geological Survey
License: https://www.usgs.gov/information-policies-and-instructions/copyrights-and-credits

🇺🇸 - United States

Sep 26, 2026, 4:56 AM UTC · 30 days ago

Map centered on the earthquake at 1 km E of Port Costa, CA, with a marker at its epicenter

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Depth7.7 km

Origin timeSep 26, 2026, 4:56 AM UTC

Coordinates38.045, -122.172

Tsunami flagNot reported

Reported shakingWeak (III)From 65 public reports

Magnitude scaleDuration magnitude

SolutionAutomatic, may be revised

Who felt it

Nearby places

Port Costa, California1 km E of the epicentre
Benicia, California1 km WSW of the epicentre
Crockett, California4 km E of the epicentre
Martinez, California4 km NW of the epicentre
Vine Hill, California8 km WNW 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 · M2.21 km E of Port Costa, CA

Nearby places

U.S. Geological Survey

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