2021-12-08T09:46:11.0000Z38.821835-122.8521652.19manualconfirmedIRIS0.37Md1Origin/20211208094836.858457.421446Magnitude/20211208094836.858508.421447IRISNORTHERN CALIFORNIAregion nameNEIC PDEcatalognc73661231contributorID