About ISHIBE TAKEO
About SHIMAZAKI KUNIHIKO
About OKAMURA MAKOTO
About MATSUOKA HIROMI
About CHIDA NOBORU
About historical earthquake
About Oita prefecture
About acoustic exploration
About boring core
About prospecting by drilling
About sea bed
About active fault
About distribution
About wave source
About estimation
About reflection plane
About volcanic ash
About stratum
About paleoearthquake
About earthquake source model
About wave height
About ancient tsunami
About historical tsunami
About fault model
About 1596年 慶長豊後地震
About コアリング
About 海底活断層分布
About 波源推定
About Beppu Bay
About 由布火山灰層
About アカホヤ火山灰層
About 固有地震モデル
About 変位量
About Seismology in general
About Physical properties of earthquake
About Ocean waves,tidal current
About 地震
About 波源
About 推定