著者

佐山 守 河角 広

出版者

東京大学地震研究所

雑誌

地震研究所研究速報

巻号頁・発行日

vol.10, no.2, pp.1-50, 1973-03

---

When a big earthquake occurs, the en quete method through post cards is usually carried out for the inverstigation of intensity distribution and damage and their relations to the ground conditions and geology. Thus collected data isalsousefulforthe prevention of damage due to big earthquakes. This method can be applied to large historical earthquakes when abundant historical documents are found. As the first step of the application of on qttete method to historical earthquakes, the Zenkoji earthquake which occurred at about 10 p.m. on the 24th of March, 1847 was studied.