2023-05-31T05:12:03.0000Z40.915833-123.89933324.01manualconfirmedIRIS2.15Md1Origin/20230531084948.193703.54011Magnitude/20230531084948.193752.54012IRISNORTHERN CALIFORNIAregion nameNEIC PDEcatalognc71130529contributorID