2023-09-30T16:36:43.0000Z40.366-125.66116710manualconfirmedIRIS3.74Mw1Origin/20230930205010.309917.684043Magnitude/20230930205010.309965.684044IRISOFF COAST OF NORTHERN CALIFORNIAregion nameNEIC PDEcatalogus6000lbxm,nc73943841contributorID