2021-12-29T09:11:39.0000Z40.214667-121.1248336.1manualconfirmedIRIS2.27Md1Origin/20211229230203.924976.583554Magnitude/20211229230203.925027.583555IRISNORTHERN CALIFORNIAregion nameNEIC PDEcatalognn00830698,nc73669081contributorID