2023-05-16T19:59:49.0000Z40.224333-121.1234.39manualconfirmedIRIS2.3Md1Origin/20230517042959.729499.374190Magnitude/20230517042959.72955.374191IRISNORTHERN CALIFORNIAregion nameNEIC PDEcatalognc73888866contributorID