Friday, June 20, 2025

MD chart in 内浦湾

MD chart in 内浦湾(Uchiura Bay) 

M't Usu, M't Showa-shinzan, and M't Komagatake are volcanoes.
 

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Counts of occurrence per depth in 茨城県北部

Counts of occurrence per depth in 茨城県北部 (Northern Ibaraki Pref.)is shown as below graph,  1-30km curves had the longest silent terms until r...