2021-12-29T15:46:43.0000Z38.861168-122.7953342.73manualconfirmedIRIS2.55Md1Origin/20211229154927.394388.581134Magnitude/20211229154927.394437.581135IRISNORTHERN CALIFORNIAregion nameNEIC PDEcatalognc73669146contributorID