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RT @usa_hakase: メモ:Eruptive history of Mount Katmai, Alaska | Geosphere | GeoScienceWorld https://t.co/xq6Qh2sD9x
RT @usa_hakase: メモ:Eruptive history of Mount Katmai, Alaska | Geosphere | GeoScienceWorld https://t.co/xq6Qh2sD9x
メモ:Eruptive history of Mount Katmai, Alaska | Geosphere | GeoScienceWorld https://t.co/xq6Qh2sD9x
RT @David_Bressan: The Novarupta-Katmai eruption, happening 105 years ago, was one of the largest volcanic eruptions of the 20th century.…
RT @David_Bressan: The Novarupta-Katmai eruption, happening 105 years ago, was one of the largest volcanic eruptions of the 20th century.…