Tsunami evacuation at the 1854 Ansei and the 1946 Syowa Nankai earthquake

Abstract

We examined tsunami evacuation at the 1854 Ansei and the 1946 Syowa Nankai earthquake and considered factors to urge early tsunami evacuation. The results of the study are as follows; (1) There was a problem in tsunami evacuation because 60 percent or more of the deceased person originated in the tsunami at the 1854 Ansei and 1946 Syowa Nankai earthquake. (2) There were a lot of people who evacuate early from the tsunami at the 1854 Ansei Nankai earthquake because they experienced in "small tsunami" at the 1854 Ansei Toukai earthquake. (3) Inhabitants were able to decrease deceased persons because they had evacuated early from the Syowa Nankai earthquake tsunami. In addition, a factor to urge early tsunami evacuation they knew legends that concretely urge evacuation from tsunami.