2026-01-31T05:05:27.0000Z40.469002-121.4854970.61manualconfirmedIRIS2.38Md1Origin/20260131050808.513334.18047Magnitude/20260131050808.513389.18048IRISNORTHERN CALIFORNIAregion nameNEIC PDEcatalognc75304526contributorID