2025-12-24T03:50:09.0000Z41.234-116.71817manualconfirmedIRIS3.97Mw1Origin/20251224154250.17476.42727Magnitude/20251224154250.17481.42728IRISNEVADAregion nameNEIC PDEcatalognn00908879,us7000rkiscontributorID