2023-08-31T05:27:30.0000Z38.4495-122.49710.34manualconfirmedIRIS1.78Md1Origin/20230831064001.957049.467673Magnitude/20230831064001.957119.467674IRISNORTHERN CALIFORNIAregion nameNEIC PDEcatalognc73931266contributorID