Geosite List Home Geosite Cenotaph for the Debris Flow Victims in Irokawa Cenotaph for the Debris Flow Victims in Irokawa This is a Cenotaph for the victims of the debris flown that happened in 1846. The big granite porphyry rock here is the one that had tumbled down with the mudslide. Map Cenotaph for the Debris Flow Victims in Irokawa 33.6723185,135.8444452,14 See in the map app