Ground temperature change observed at Unzen Volcano associated with the 1990-1995 eruption

Ken'Ichiro Yamashina, Takeshi Matsushima

研究成果: Contribution to journalArticle査読

4 被引用数 (Scopus)

抄録

Ground temperature associated with eruptive activity of Unzen Volcano, southwestern Japan, was observed in a cave about 680 m west of the central vent. Based on the data during 1991-1996, eliminating the effects of seasonal change, the temperature rose to the highest level probably around the first half of 1992. Hereafter the temperature decreased gradually year by year at least up to the autumn of 1996, beyond the level recovered at the beginning of the lava extrusion in May 1991. Although it is not necessarily conclusive, the present observation suggests a possible rise in ground temperature prior to the commencement of the first phreatic eruption in November 1990. If so, a careful observation may help to predict future eruptions by detecting a precursory rise of the ground temperature in this volcano.

本文言語英語
ページ(範囲)65-71
ページ数7
ジャーナルJournal of Volcanology and Geothermal Research
89
1-4
DOI
出版ステータス出版済み - 4 1 1999

All Science Journal Classification (ASJC) codes

  • 地球物理学
  • 地球化学および岩石学

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