Unplanned roof fall occurred on #5 Belt 1 break inby spad #12186. No injuries. No equip. involved. Ventilation not affected. Passage of persons not affected. Fall measured 6' high & extended approx. 1 break long to belt line. All entrances to fall have been breakered off. Bolted with 48"" resin. Area of fall will not be rehabilitated. MSHA & State were notified immediately.