2023-04-21T14:08:15.0000Z38.838001-122.8375021.46manualconfirmedIRIS0.83Md1Origin/20230421141054.039456.105886Magnitude/20230421141054.039506.105887IRISNORTHERN CALIFORNIAregion nameNEIC PDEcatalognc73876255contributorID