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Almberg receives some help from Oguri-san, a graduate student in volcanology at the Geological S ...
Almberg receives some help from Oguri-san, a graduate student in volcanology at the Geological Survey of Japan, as the two search for characteristic clasts from samples representing more than 2,000 meters of drill core from 500,000 years of eruptive history from Unzen Dake Volcano.
Credit: Photo courtesy Nobu Geshi, Geologic Survey of Japan, Volcanology Group
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