2021-07-23T21:47:54.0000Z39.506668-121.56016524.97manualconfirmedIRIS1.77Md1Origin/20210723215048.524447.249803Magnitude/20210723215048.524502.249804IRISNORTHERN CALIFORNIAregion nameNEIC PDEcatalognc73598436contributorID