2023-12-19T22:44:12.0000Z38.800667-122.8193362.69manualconfirmedIRIS1.94Md1Origin/20231219224755.717048.29898Magnitude/20231219224755.717108.29899IRISNORTHERN CALIFORNIAregion nameNEIC PDEcatalognc73978341contributorID