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DOI | 10.1029/2019GL086429 |
Temporal Magnetotellurics Reveals Mechanics of the 2012 Mount Tongariro, NZ, Eruption | |
Hill, Graham J.1,2; Bibby, Hugh M.3; Peacock, Jared4; Wallin, Erin L.5; Ogawa, Yasuo6; Caricchi, Luca7; Keys, Harry8; Bennie, Stewart L.3; Avram, Yann9 | |
2020-04-28 | |
发表期刊 | GEOPHYSICAL RESEARCH LETTERS |
ISSN | 0094-8276 |
EISSN | 1944-8007 |
出版年 | 2020 |
卷号 | 47期号:8 |
文章类型 | Article |
语种 | 英语 |
国家 | Czech Republic; New Zealand; USA; Japan; Switzerland; Canada |
英文摘要 | Monitoring dynamics of volcanic eruptions with geophysics is challenging. In August and November 2012, two small eruptions from Mount Tongariro provided a unique opportunity to image subsurface changes caused by the eruptions. A detailed magnetotelluric survey of the Tongariro volcanic complex completed prior to the eruption (2008-2010) provides the preeruption structure of the magmatic system. A subset of the initial measurement locations was reoccupied in June 2013. Significant changes were observed in phase tensor data at sites close to the eruptive center. Although subsurface electrical resistivity changed, the geometry of the preeruptive reservoir did not. These subsurface resistivity variations are interpreted as being predominantly caused by interaction of partial melt and the overlying brine layer causing volume reduction of the brine layer through phreatic eruption. The ability to detect significant changes associated with the magma reservoir suggests that magnetotellurics can be a valuable volcano monitoring tool. |
英文关键词 | magnetotelluric Taupo Volcanic Zone eruption dynamics Tongariro phreatic |
领域 | 气候变化 |
收录类别 | SCI-E |
WOS记录号 | WOS:000530332600006 |
WOS关键词 | DRIVEN CRYSTALLIZATION ; INSIGHTS ; VOLCANO ; SYSTEM |
WOS类目 | Geosciences, Multidisciplinary |
WOS研究方向 | Geology |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/279880 |
专题 | 气候变化 |
作者单位 | 1.Czech Acad Sci, Inst Geophys, Prague, Czech Republic; 2.Univ Canterbury, Gateway Antarctica, Christchurch, New Zealand; 3.GNS Sci, Lower Hutt, New Zealand; 4.US Geol Survey, 345 Middlefield Rd, Menlo Pk, CA 94025 USA; 5.US Army Corps Engineers, Huntsville, AL USA; 6.Tokyo Inst Technol, Volcan Fluid Res Ctr, Tokyo, Japan; 7.Univ Geneva, Dept Earth Sci, Geneva, Switzerland; 8.Dept Conservat, Turangi, New Zealand; 9.Phoenix Geophys, Toronto, ON, Canada |
推荐引用方式 GB/T 7714 | Hill, Graham J.,Bibby, Hugh M.,Peacock, Jared,et al. Temporal Magnetotellurics Reveals Mechanics of the 2012 Mount Tongariro, NZ, Eruption[J]. GEOPHYSICAL RESEARCH LETTERS,2020,47(8). |
APA | Hill, Graham J..,Bibby, Hugh M..,Peacock, Jared.,Wallin, Erin L..,Ogawa, Yasuo.,...&Avram, Yann.(2020).Temporal Magnetotellurics Reveals Mechanics of the 2012 Mount Tongariro, NZ, Eruption.GEOPHYSICAL RESEARCH LETTERS,47(8). |
MLA | Hill, Graham J.,et al."Temporal Magnetotellurics Reveals Mechanics of the 2012 Mount Tongariro, NZ, Eruption".GEOPHYSICAL RESEARCH LETTERS 47.8(2020). |
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