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USGS · REPORTED EARTHQUAKE

M 3.0 · 21 km WSW of Petrolia, CA

Observed . Review status: automatic.

MAGNITUDE
3.0 md
DEPTH
5.7 km
LATITUDE
40.2763°
LONGITUDE
-124.5300°

Source & provenance

Source identifier: usgs:nc75439497. Source revised 26 Sep 2026, 16:56 UTC. The latest retained record was collected 26 Sep 2026, 17:03 UTC.

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Versions retained by URSY

History starts when URSY first collects this event. Later source revisions can change reported measurements.

Collected · UTCChangeMagnitudeSource revision · UTC
26 Sep 2026, 17:03 UTCrevised3.026 Sep 2026, 16:56 UTC
21 Sep 2026, 21:30 UTCrevised3.021 Sep 2026, 21:27 UTC
21 Sep 2026, 19:41 UTCrevised3.021 Sep 2026, 19:37 UTC
21 Sep 2026, 19:11 UTCrevised3.021 Sep 2026, 19:07 UTC
21 Sep 2026, 19:05 UTCrevised3.021 Sep 2026, 19:01 UTC
21 Sep 2026, 19:01 UTCcreated3.021 Sep 2026, 18:56 UTC

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