The sign shows the damage status in the 1707 Hoei earthquake, and how/where to escape in case of tsunami. The villagers of Takase Village (present Tonda in Shirahama Town) had requested the chief priest in Sodo-ji Temple to write down their experience of the tsunami, and then dedicated it to Asuka-jinja Shrine. It was later moved to here (Nichi-jinja Shrine) when the two shrines jointed.It is currently stored in Tonda Ward.Tangible folk cultural property designated by Wakayama Prefecture.