M3.3

USGS earthquake · M3.327 km WSW of Westley, CA

Name: M3.3 earthquake at 27 km WSW of Westley, CA
Creator: U.S. Geological Survey
License: https://www.usgs.gov/information-policies-and-instructions/copyrights-and-credits

🇺🇸 - United States

Sep 27, 2026, 2:21 PM UTC · 29 days ago

Map centered on the earthquake at 27 km WSW of Westley, CA, with a marker at its epicenter

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Shaking intensity

Strongest contour: Weak (III). Modelled by USGS ShakeMap; contours show where shaking was expected to reach each level, not damage.

Depth3.4 km

Origin timeSep 27, 2026, 2:21 PM UTC

Coordinates37.416, -121.453

Tsunami flagNot reported

Estimated shakingWeak (III)Modelled by USGS ShakeMap

Reported shakingWeak (II)From 15 public reports

Magnitude scaleMoment magnitude

SolutionReviewed by a seismologist

Who felt it

Nearby places

Westley, California27 km WSW of the epicentre
Grayson, California29 km SW of the epicentre
Patterson, California29 km WSW of the epicentre
Alum Rock, California34 km E 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 · M3.327 km WSW of Westley, CA

Nearby places

U.S. Geological Survey

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