2021-10-22T23:44:59.0000Z38.7775-122.7593311.65manualconfirmedIRIS0.55Md1Origin/20211022234811.571461.8009Magnitude/20211022234811.57152.8010IRISNORTHERN CALIFORNIAregion nameNEIC PDEcatalognc73642995contributorID