2023-12-09T01:49:00.0000Z38.842167-122.8256671.69manualconfirmedIRIS0.46Md1Origin/20231209232426.847574.69907Magnitude/20231209232426.847626.69908IRISNORTHERN CALIFORNIAregion nameNEIC PDEcatalognc73973436contributorID