2023-12-15T14:34:38.0000Z38.827168-122.8138350.93manualconfirmedIRIS1.51Md1Origin/20231215143724.382588.795Magnitude/20231215143724.382643.796IRISNORTHERN CALIFORNIAregion nameNEIC PDEcatalognc73976556contributorID