2023-12-18T03:24:56.0000Z38.816166-122.8154982.75manualconfirmedIRIS1.08Md1Origin/20231218032812.078186.16099Magnitude/20231218032812.078243.16100IRISNORTHERN CALIFORNIAregion nameNEIC PDEcatalognc73977636contributorID