2023-12-11T20:49:28.0000Z39.160333-123.5968335.44manualconfirmedIRIS1.55Md1Origin/20231211232329.134264.83851Magnitude/20231211232329.134316.83852IRISNEAR COAST OF NORTHERN CALIF.region nameNEIC PDEcatalognc73974721contributorID