Monday, February 17, 2025

MD-T chart in 渡島・檜山地方

MD-T chart in  渡島・檜山地方

 (redefined rectangle area of Oshima,Hiyama region) 

In Mar/2000, M't Usu erupted.

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Counts of occurrence per depth in 国後島付近

Counts of occurrence per depth in 国後島付近 (Kunashiri Island)  is shown as below graph,  Only 1km's count has been stood out. On the other...