2026-02-04T21:12:06.0000Z38.836166-122.78451.78manualconfirmedIRIS1.03Md1Origin/20260204211439.104052.58771Magnitude/20260204211439.104119.58772IRISNORTHERN CALIFORNIAregion nameNEIC PDEcatalognc75308487contributorID