2020-12-19T13:04:54.0000Z38.837666-122.8108371.82manualconfirmedIRIS0.56Md1Origin/20201219130735.723309.7342Magnitude/20201219130735.723365.7343IRISNORTHERN CALIFORNIAregion nameNEIC PDEcatalognc73500280contributorID