著者
Paul K. B. ALANIS Yusuke YAMAYA Akihiro TAKEUCHI Yoichi SASAI Yoshihiro OKADA Toshiyasu NAGAO
出版者
The Japan Academy
雑誌
Proceedings of the Japan Academy, Series B (ISSN:03862208)
巻号頁・発行日
vol.89, no.8, pp.383-389, 2013-10-11 (Released:2013-10-11)
参考文献数
20
被引用文献数
8 15

Taal Volcano is one of the most active volcanoes in the Philippines. The magnetotelluric 3D forward analyses indicate the existence of a large high resistivity anomaly (∼100 Ω·m) with a volume of at least 3 km × 3 km × 3 km, which is capped by a conductive layer (∼10 Ω·m), beneath the Main Crater. This high resistivity anomaly is hypothesized to be a large hydrothermal reservoir, consisting of the aggregate of interconnected cracks in rigid and dense host rocks, which are filled with hydrothermal fluids coming from a magma batch below the reservoir. The hydrothermal fluids are considered partly in gas phase and liquid phase. The presence of such a large hydrothermal reservoir and the stagnant magma below may have influences on the volcano’s activity. Two possibilities are presented. First, the 30 January 1911 explosion event was a magmatic hydrothermal eruption rather than a base-surge associated with a phreato-magmatic eruption. Second, the earlier proposed four eruption series may be better interpreted by two cycles, each consisting of series of summit and flank eruptions.(Communicated by Seiya Uyeda, M.J.A.)

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私が筆頭で書いた論文(http://link.springer.com/article/10.1007/s00445-013-0729-y)の続き.今度は東海大学の留学生が筆頭で書いてます. https://www.jstage.jst.go.jp/article/pjab/89/8/89_PJA8908B-02/_article

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@EarthUncutTV @phivolcs_dost https://t.co/xd450PG5r0 2013 study on taal volcano assumes a 3x3x3km large hydrothermal reservoir below taal volcano lake explaining the on-off cycles of taal volcano #TaalVolcano after the Jan 12-13 #eruption #TaalVolcanoEruption #TaalEruption2020

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