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| This rock is laver that flowed over ten million years ago.Columnar joint was made by reduction of laver volume,as it become cool.Tokamachi city,Niigata pref. |
Tuesday, September 13, 2011
Columnar joint
Friday, August 5, 2011
Tsunami at Sendai city
A big earthquake occuered on north-east Japan in March 2011.This video is spot broadcasting of tsunami reaching Sendai city. This earthquake occuered by jumping of North-American plate about 8m.The disaster‐stricken area is reviving now,but radioactive contamination by accident of nuclear power plant Fukushima no.1 is dietressing people.
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