Volcanic mountain area disaster in the Iwate-Miyagi Nairiku earthquake

M. Kazama, Tomohiro Mori, R. Uzuoka, N. Sento

研究成果: Paper査読

抄録

We conducted a geotechnical damage investigation for the disaster during the earthquake on June 14, 2008. An earthquake of magnitude 7.2 hit a volcanic mountain area of northern inland Japan. As a result of the earthquake, a landslide of 1.5 million m 3 generated near the top of the mountain became a mud flow and descended 10km. The geomorphic characteristics of the mud flow are reported. Another huge landslide was generated upstream near the Aratosawa dam. It was about 1.3 km in total length, about 900 m in maximum width, and a sliding mass of about 67 million m 3 slipped about 320 m. The geological features, the time series of the slide and the cause of the slide are also discussed. In this paper the geotechnical properties of the damage are introduced.

本文言語English
出版ステータスPublished - 2011 12 1
イベント14th Asian Regional Conference on Soil Mechanics and Geotechnical Engineering, ARC 2011 - Hong Kong, China
継続期間: 2011 5 232011 5 27

Other

Other14th Asian Regional Conference on Soil Mechanics and Geotechnical Engineering, ARC 2011
CountryChina
CityHong Kong
Period11/5/2311/5/27

ASJC Scopus subject areas

  • Soil Science
  • Geotechnical Engineering and Engineering Geology

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