2023-09-20T16:17:51.0000Z38.836334-122.7976692.08manualconfirmedIRIS1.52Md1Origin/20230920162107.685503.611763Magnitude/20230920162107.685556.611764IRISNORTHERN CALIFORNIAregion nameNEIC PDEcatalognc73939421contributorID