2021-09-04T11:50:04.0000Z38.748333-122.7126690.75manualconfirmedIRIS0.55Md1Origin/20210904115318.382629.701175Magnitude/20210904115318.382681.701176IRISNORTHERN CALIFORNIAregion nameNEIC PDEcatalognc73619976contributorID