2021-12-31T17:30:03.0000Z38.788334-122.7616650.99manualconfirmedIRIS1.04Md1Origin/20211231173307.417856.594418Magnitude/20211231173307.417917.594419IRISNORTHERN CALIFORNIAregion nameNEIC PDEcatalognc73670411contributorID