高振寰, 朱淑莲. 日本长野县的地震泥石流[J]. 华北地震科学, 1986, 4(4): 53-59.
引用本文: 高振寰, 朱淑莲. 日本长野县的地震泥石流[J]. 华北地震科学, 1986, 4(4): 53-59.
Gao Zhenhuan, Zhu Shulian. EARTHQUAKE sOIL ROOK FLOW IN NAGANO IN JAPAN[J]. North China Earthquake Sciences, 1986, 4(4): 53-59.
Citation: Gao Zhenhuan, Zhu Shulian. EARTHQUAKE sOIL ROOK FLOW IN NAGANO IN JAPAN[J]. North China Earthquake Sciences, 1986, 4(4): 53-59.

日本长野县的地震泥石流

EARTHQUAKE sOIL ROOK FLOW IN NAGANO IN JAPAN

  • 摘要: 1984年9月14日日本长野县西部地震产生了大规模的泥石流。御岳山陡坡上含有火山灰的碎屑、岩块堆积物,加之狭长陡峻的河谷地形为泥石流提供了必要的条件。地霞诱发了御岳山陡坡上松散碎屑物的滑塌,地震前后的降雨促进了滑塌的产生,并且促进和导致了泥石流的形成。

     

    Abstract: The earthquake of 14 Sep. 1984 in west Nagano caused massive soil rock flow. The castic detritus and rock debris containing volcano ashes on the steep slope of Ontake mountair and topography with u narrow, long and sharp river valley Provided necessary condition for soil rock flow. The earthquake induced slipping and collapsing of the porous clastic detritus on the steep slope of Ontake mountain. The raining before and after the shock promoted the occurence of slipping and collapsing and led to the soil rock flow.

     

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