2021-04-19T18:54:13.0000Z38.749668-122.6991650.8manualconfirmedIRIS1.66Md1Origin/20210419185642.626159.9122605Magnitude/20210419185642.62621.9122606IRISNORTHERN CALIFORNIAregion nameNEIC PDEcatalognc73551580contributorID