Earthquake reference

32 km W of Petrolia, CA

USGS recorded this 3.41 magnitude event near 32 km W of Petrolia, CA at 2026-10-12T11:45:41.870000+00:00. The published hypocentral depth is 0.280000001192093 km and the review status is automatic. Event parameters can be revised as additional observations are processed. Nearby airports and postal locations on this page are calculated spatial references only; they do not establish administrative jurisdiction, damage, causation or future risk. This record is not an earthquake forecast or emergency alert.

268Same Day Events
73.2Nearest Airport Distance Km
5Same Day Events Count
5Similar Magnitude Events Count
5Nearest Airports Count
5Nearest Postal Codes Count

Key facts

Magnitude
3.41
Magnitude type
ml
Occurred at
2026-10-12T11:45:41.870000+00:00
Updated at
2026-10-12T15:01:51.734000+00:00
Review status
automatic
Event type
earthquake
Felt reports
1
Community intensity
2
Tsunami flag
No
Significance
179
Network
nc
Latitude
40.2903327941895
Longitude
-124.65633392334
Depth (km)
0.280000001192093
USGS event page
https://earthquake.usgs.gov/earthquakes/eventpage/nc75448261

Upstream revision context

USGS event revision

This timeline contains versions captured by DataOfWorld; it is not a complete official revision archive.

UpdatedStatusPayload digest
2026-10-12T15:01:51.734000+00:00automaticb017ac1a4917

Associated event IDs: nc75448261, us6000u1rj

Field-level provenance

Sources for this profile

Dates and licenses apply to the specific facts and series supplied by each source.

Reference data can change. Verify consequential decisions against the original source.