2023-09-20T00:15:47.0000Z38.830334-122.8144991.62manualconfirmedIRIS0.73Md1Origin/20230920001853.188789.606703Magnitude/20230920001853.188854.606704IRISNORTHERN CALIFORNIAregion nameNEIC PDEcatalognc73939171contributorID