M3.9

USGS earthquake · M3.96 km SSW of Philo, California

Name: M3.9 earthquake at 6 km SSW of Philo, California
Creator: U.S. Geological Survey
License: https://www.usgs.gov/information-policies-and-instructions/copyrights-and-credits

🇺🇸 - United States

Sep 26, 2026, 3:42 AM UTC · 30 days ago

Map centered on the earthquake at 6 km SSW of Philo, California, with a marker at its epicenter

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Shaking intensity

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

Depth9.0 km

Origin timeSep 26, 2026, 3:42 AM UTC

Coordinates39.009, -123.471

Tsunami flagNot reported

Magnitude scaleMoment magnitude

SolutionAutomatic, may be revised

Who felt it

Nearby places

Boonville, California10 km W of the epicentre
Point Arena, California22 km ENE of the epicentre
Ukiah, California28 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 · M3.96 km SSW of Philo, California

Nearby places

U.S. Geological Survey

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