2023-05-20T04:12:53.0000Z38.813999-122.8215033.44manualconfirmedIRIS0.53Md1Origin/20230520041529.725909.405602Magnitude/20230520041529.72596.405603IRISNORTHERN CALIFORNIAregion nameNEIC PDEcatalognc73890181contributorID