2025-09-02T13:34:43.99Z40.416332244873-125.1383361816411.5manualconfirmedUSGS3.42ml1Origin/20250902133746.291237.437908Magnitude/20250902133746.291289.437909USGS73 km WNW of Petrolia, CAregion namenccatalognc75232127contributorID