2023-12-17T18:50:20.0000Z41.3717-125.633110manualconfirmedIRIS2.7ML1Origin/20231217193018.077752.14235Magnitude/20231217193018.077804.14236IRISOFF COAST OF NORTHERN CALIFORNIAregion nameNEIC PDEcatalogus7000ljqbcontributorID