2024-05-28T19:16:54.0000Z40.237-121.1508338.21manualconfirmedIRIS1.66Md1Origin/20240531111137.562518.176985Magnitude/20240531111137.562569.176986IRISNORTHERN CALIFORNIAregion nameNEIC PDEcatalognc75012916contributorID