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About Fukui earthquake 1948
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About 昭和20~40年
About 爆破地震動研究グループ
About 地震のメカニズム
About 発震機構
About 本多弘吉
About 丸山卓男
About 安芸敬一
About 坪井忠二
About history of earth sciences
About history of seismology
About postwar Japan
About 1945-1965
About Research Group for Explosion Seismology
About earthquake mechanism
About Hirokichi Honda
About Takuo Maruyama
About Keiiti Aki
About Chuji Tsuboi
About Seismology in general
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