2024-12-09T07:58:45.72Z40.2944984436035-124.49449920654318.610000610351602manualconfirmedUSGS2.74md1Origin/20241209080015.773821.92810Magnitude/20241209080015.773872.92811USGS18 km W of Petrolia, CAregion namenccatalognc75099966contributorID