2023-07-21T15:43:48.0000Z40.223667-121.1721673.46manualconfirmedIRIS2.06Md1Origin/20230721191042.916764.170868Magnitude/20230721191042.916826.170869IRISNORTHERN CALIFORNIAregion nameNEIC PDEcatalognc73915226contributorID