About TONE SHIGEYASU
About MIYATAKE TAKASHI
About HIKIMA KAZUHITO
About KATO AITARO
About structure
About large earthquake
About earthquake
About problem
About 2次元問題
About 3次元問題
About 均質構造
About Niigataken Tyuuetu earthquake
About inhomogeneous structure
About Physical properties of earthquake
About 不均質構造
About 地震