Journal of the Japan Society of Erosion Control Engineering, Vol.60,No.2,2007
Slush avalanche,which had attacked gFujisan SkylinehRoad on March 25,2007
at Mt.Fuji
Ryo MOROHASHI, So ANMA and Masaaki HANAOKA
Abstract
A spring storm attacked the central Japan on March 25, 2007 and brought heavy
rainfall (total precipitation was excess 200mm/15hour) to Mt. Fuji slopes with
snowy and subarctic circumstances. Many slush avalanches, as well as surface avalanches,
occurred on the western, southern and eastern slopes above timberline. Some of
slush avalanches originated from southern slope slid down 0.8`1.1km and damaged
14 traffic utilities and 2 houses. Fortunately road and houses wore closed and
had no casualties. The avalanche chutes almost same as 1976 and 1988 events.
Key wordsFMt. Fuji, slush avalanche, avalanche chute, soil freezing
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