2023-09-07T01:02:43.0000Z38.833168-122.8170011.34manualconfirmedIRIS0.72Md1Origin/20230907010538.40975.515001Magnitude/20230907010538.409806.515002IRISNORTHERN CALIFORNIAregion nameNEIC PDEcatalognc73933956contributorID