2023-10-06T15:27:26.0000Z40.148167-121.74966410.42manualconfirmedIRIS2.55Md1Origin/20231006153021.909343.3655Magnitude/20231006153021.909392.3656IRISNORTHERN CALIFORNIAregion nameNEIC PDEcatalognc73946306contributorID