2021-12-20T19:32:34.0000Z38.803833-122.7778320.84manualconfirmedIRIS0.63Md1Origin/20211220193503.092313.518218Magnitude/20211220193503.092367.518219IRISNORTHERN CALIFORNIAregion nameNEIC PDEcatalognc73666226contributorID