No.
|
sumnail
|
title |
comment |
1
|
|
Overview |
Many houses of Sumikawa spa were completely
destroyed by the landslide at morning , 11th
of May. The gray colored zone is consist of soft-clay
breccia that covered with gray air fall ash derived
from steam explosion. |
2
|
|
One of the steam explosion crater |
The size of crater is 11m x10m and 3m deep.
In this area some hot springs have reactived
already. |
3
|
|
Anguler bomb made by steam explosion |
This rock may be altered andesite may be. This
size shows maximum one around the crater. |
4
|
|
Avalanche and debris flow deposits along
River Akagawa |
The terrace of the right side consists of mega
block of clay that deposited from first avalanche. |
5
|
|
Main slip slope |
The height of main slip slope is 60m. And its
trend of striation shows maximum dip direction.
The stratigraphy of this outcrop is breccia,
brown loam, lava flow of Akita-yakeyama volcano
and very soft altered green tuff of basement,
from top to bottom. |
6
|
|
Temporally lake |
A small water falls of melting snow made three
temporal lakes upon the landslide block. One
of the lake shown left. |