2023-01-29T01:47:17.0000Z38.7815-122.7263331.44manualconfirmedIRIS1.58Md1Origin/20230131205037.197965.81765Magnitude/20230131205037.198015.81766IRISNORTHERN CALIFORNIAregion nameNEIC PDEcatalognc73839071contributorID