Sum of Magnitude per 1day in 渡島・檜山地方
(redefined rectangle area of Oshima,Hiyama region)
note : Horizontal axis isn't linear.
The max value is M4.5 at Western Iburi in 2000/3/30.
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...
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