TY - JOUR
T1 - Long-term prediction of Usu volcano 2000 eruptive activity based on the measurements of heat discharge rate
AU - Goto, Akio
AU - Kagiyama, Tsuneomi
AU - Miyamoto, Tsuyoshi
AU - Yokoo, Akihiko
AU - Taniguchi, Hiromitsu
PY - 2007
Y1 - 2007
N2 - The energy source of volcanic activity is the heat of magma. Heat discharge rate on the initial stage of Usu 2000 eruptive activity was estimated to be around 1×109 J/sec, that was over one order higher than that on the initial stage of the 1977 activity, and comparable to its peak release rate observed after two years from the beginning of the eruptive activity. Compare to the 1977 activity, much shorter duration of the 2000 activity may be the result of rapid cooling of the intruded magma. Abundant ground water supplied from Lake Toya might remove the heat effectively through active vapor plume rise.
AB - The energy source of volcanic activity is the heat of magma. Heat discharge rate on the initial stage of Usu 2000 eruptive activity was estimated to be around 1×109 J/sec, that was over one order higher than that on the initial stage of the 1977 activity, and comparable to its peak release rate observed after two years from the beginning of the eruptive activity. Compare to the 1977 activity, much shorter duration of the 2000 activity may be the result of rapid cooling of the intruded magma. Abundant ground water supplied from Lake Toya might remove the heat effectively through active vapor plume rise.
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M3 - Article
AN - SCOPUS:48849112331
SN - 0441-067X
SP - 137
EP - 144
JO - Journal of the Hokkaido University, Faculty of Science, Series VII: Geophysics
JF - Journal of the Hokkaido University, Faculty of Science, Series VII: Geophysics
IS - 70
ER -