M3.2

USGS earthquake · M3.26 km SE of Ontario, CA

Name: M3.2 earthquake at 6 km SE of Ontario, CA
Creator: U.S. Geological Survey
License: https://www.usgs.gov/information-policies-and-instructions/copyrights-and-credits

🇺🇸 - United States

Sep 2, 2026, 12:37 PM UTC · 4 days ago

Map centered on the earthquake at 6 km SE of Ontario, 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.

Depth6.1 km

Origin timeSep 2, 2026, 12:37 PM UTC

Coordinates34.014, -117.589

Tsunami flagNot reported

Estimated shakingLight (IV)Modelled by USGS ShakeMap

Reported shakingWeak (III)From 722 public reports

Magnitude scaleLocal magnitude

SolutionReviewed by a seismologist

Who felt it

Nearby places

Ontario, CA6 km SE of the epicentre
Mira Loma, CA7 km WNW of the epicentre
Chino, CA9 km E of the epicentre
Glen Avon, CA10 km W of the epicentre
Rancho Cucamonga, CA12 km S 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 · M3.26 km SE of Ontario, CA

Nearby places

U.S. Geological Survey

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