About TAMURA Toshikazu
About Rissho Univ., Kumagaya, JPN
About large earthquake
About earthquake
About tsunami
About tectonics
About liquefaction (fluidization)
About landslide
About landform
About interplate earthquake
About The 2011 off the Pacific coast of Tohoku Earthquake
About Physical geography
About Geological structure and tectonics
About 日本
About 地震
About 地形学