2023-12-16T17:54:51.0000Z38.832165-122.8000032.22manualconfirmedIRIS1.14Md1Origin/20231216175734.48808.8599Magnitude/20231216175734.488133.8600IRISNORTHERN CALIFORNIAregion nameNEIC PDEcatalognc73977101contributorID