2023-10-21T20:21:41.0000Z38.795667-122.8101673.46manualconfirmedIRIS0.46Md1Origin/20231023074003.304447.115899Magnitude/20231023074003.304495.115900IRISNORTHERN CALIFORNIAregion nameNEIC PDEcatalognc73949770contributorID