2026-04-30T21:31:36.0000Z38.8535-122.8641669.73manualconfirmedIRIS0.83md1Origin/20260430213510.606075.41775Magnitude/20260430213510.606138.41776IRISNORTHERN CALIFORNIAregion nameNEIC PDEcatalognc75354562contributorID