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USGS · REPORTED EARTHQUAKE

M 1.7 · 13 km WSW of Petrolia, CA

Observed . Review status: automatic.

MAGNITUDE
1.7 md
DEPTH
19.9 km
LATITUDE
40.2973°
LONGITUDE
-124.4287°

Source & provenance

Source identifier: usgs:nc75440142. Source revised 23 Sep 2026, 00:37 UTC. The latest retained record was collected 23 Sep 2026, 00:41 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
23 Sep 2026, 00:41 UTCrevised1.723 Sep 2026, 00:37 UTC
22 Sep 2026, 22:41 UTCrevised1.722 Sep 2026, 22:37 UTC
22 Sep 2026, 22:21 UTCcreated1.722 Sep 2026, 22:20 UTC

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