2023-09-18T08:02:09.0000Z38.817665-122.8143313.85manualconfirmedIRIS0.96Md1Origin/20230918080439.30508.592676Magnitude/20230918080439.305133.592677IRISNORTHERN CALIFORNIAregion nameNEIC PDEcatalognc73938271contributorID