2020-12-29T00:00:22.0000Z38.816502-122.8164982.77manualconfirmedIRIS0.55Md1Origin/20201229000310.957671.1018155Magnitude/20201229000310.957721.1018156IRISNORTHERN CALIFORNIAregion nameNEIC PDEcatalognc73503975contributorID