Saturday, May 24, 2025

MD chart in 北海道北西沖

MD chart in 北海道北西沖 (Northwest offshore Hokkaido region)


 

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Counts of occurrence per depth in 山形県

Counts of occurrence per depth in  山形県 (Yamagata Pref.)is shown as below graph,    The greatest magnitude is M6.4 of 140km in 1944. But, he ...