Ê Ç Ç 5 k uk # ] þ M / ` ; þ ± è # ] u # ° Y$ T R · 2020. 9. 30. · "i 7È75!o p'Ç 0¿4...

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United States Geological Survey H.P., Photo by Chris Newhall, 1984.

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TEAM

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4,452 10,113

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3 73 96

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web

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http://www.bousai.go.jp