2023-12-11T00:45:31.0000Z38.840668-122.8768312.47manualconfirmedIRIS0.51Md1Origin/20231211005309.513977.75351Magnitude/20231211005309.51403.75352IRISNORTHERN CALIFORNIAregion nameNEIC PDEcatalognc73974396contributorID