2023-09-20T00:15:10.0000Z38.828999-122.8123321.57manualconfirmedIRIS1.41Md1Origin/20230920001854.437268.606711Magnitude/20230920001854.437336.606712IRISNORTHERN CALIFORNIAregion nameNEIC PDEcatalognc73939166contributorID