2026-03-15T04:49:25.21Z40.296165466309-124.41183471689.2299995422363manualconfirmedUSGS1.93md1Origin/20260315045207.028177.119582Magnitude/20260315045207.028259.119583USGS11 km WSW of Petrolia, CAregion namenccatalognc75327582contributorID