2023-12-24T08:16:47.0000Z39.391998-123.2736663.8manualconfirmedIRIS1.64Md1Origin/20231224081948.698058.62293Magnitude/20231224081948.698111.62294IRISNEAR COAST OF NORTHERN CALIF.region nameNEIC PDEcatalognc73980276contributorID