2020-12-28T21:52:28.0000Z38.7835-122.72051.89manualconfirmedIRIS0.52Md1Origin/20201229103015.4813.1027381Magnitude/20201229103015.481353.1027382IRISNORTHERN CALIFORNIAregion nameNEIC PDEcatalognc73503940contributorID