Temporal variation in the resistivity structure of the first Nakadake crater, Aso volcano, Japan, during the magmatic eruptions from November 2014 to May 2015, as inferred by the ACTIVE electromagnetic monitoring system
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- Material Type
- 記事
- Author/Editor
- Takuto MinamiMitsuru UtsugiHisashi Utada
- Publication, Distribution, etc.
- Publication Date
- 2018-08-23
- Publication Date (W3CDTF)
- 2018-08-23
- Periodical title
- EPS : Earth, Planets and Space
- No. or year of volume/issue
- 70(138)
- Volume
- 70(138)
- ISSN (Periodical Title)
- 1880-5981
- ISSN-L (Periodical Title)
- 1343-8832
- Text Language Code
- eng
- DOI
- 10.1186/s40623-018-0909-2
- Persistent ID (NDL)
- info:ndljp/pid/11189198
- Collection
- Collection (Materials For Handicapped People:1)
- Collection (particular)
- 国立国会図書館デジタルコレクション > 電子書籍・電子雑誌 > その他
- Acquisition Basis
- オンライン資料収集制度
- Date Accepted (W3CDTF)
- 2018-11-22T14:07:23+09:00
- Date Captured (W3CDTF)
- 2018-11-21
- Format (IMT)
- application/pdf
- Access Restrictions
- 国立国会図書館内限定公開
- Service for the Digitized Contents Transmission Service
- 図書館・個人送信対象外
- Availability of remote photoduplication service
- 可
- Periodical Title (URI)
- Periodical Title (Persistent ID (NDL))
- info:ndljp/pid/11067456
- Data Provider (Database)
- 国立国会図書館 : 国立国会図書館デジタルコレクション
- Summary, etc.
- During the last magmatic eruption period of Aso volcano (November 2014 to May 2015), a controlled-source electromagnetic volcano monitoring experiment (ACTIVE) was conducted. Here, we interpret the temporal variations in the electromagnetic responses. The ACTIVE system installed at the first Nakadake crater, the only active crater of Aso, consisted of a transmitter located northwest of the crater and four (before the eruptions) or three (after the eruptions) vertical induction coil receiver stations. The ACTIVE system succeeded in detecting temporal variations in the resistivity structure during the latest magmatic eruption period. The response amplitude started to increase in November 2014, peaked in February 2015, and decreased slightly in August 2015. An unstructured tetrahedral finite element three-dimensional inversion that accounted for topographic effects was used to interpret temporal variations in the ACTIVE response. The 3-D inversion results revealed that temporal variations in the ACTIVE response are attributed mainly to (1) a broad increase in resistivity at elevations from 750 to 850 m, not only directly beneath the crater bottom but also outside the crater, and (2) a thin layer of decrease in resistivity at the elevation of ~ 1000 m on the western side of the crater. The increase in resistivity can be ascribed to a decrease in the amount of conductive groundwater in the upper part of an aquifer located below the elevation of 800 m, while the decrease in resistivity implies that enhanced fluid temperature and pressure changed the subsurface hydrothermal system and formed a temporal fluid reservoir at the shallow level during the magmatic eruption period.阿蘇山マグマ噴火に伴う地下熱水系時間変化の可視化に成功. 京都大学プレスリリース. 2018-08-23.
- DOI
- 10.1186/s40623-018-0909-210.6084/m9.figshare.1003700910.6084/m9.figshare.10037009.v1
- Access Restrictions
- インターネット公開
- Rights (production)
- © The Author(s) 2018. This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.
- Related Material (URI)
- Is Referenced By
- Controlled-source electromagnetic survey in a volcanic area: relationship between stacking time and signal-to-noise ratio and comparison with magnetotelluric data3-D inversion of magnetic data based on the L1-L2 norm regularizationMagmatic–hydrothermal system of Aso Volcano, Japan, inferred from electrical resistivity structuresHydrothermal and Magmatic System of a Volcanic Island Inferred From Magnetotellurics, Seismicity, Self‐potential, and Thermal Image: An Example of Miyakejima (Japan)Simultaneous electrical resistivity and elastic wave velocity measurements during triaxial deformation of granite under brine-saturated conditionsDependence of resistivity of natural rock samples on humidityFive-Year Achievements of Volcano Program Promotion Panel水蒸気噴火の発生場と噴火過程の観測Subsurface Resistivity Imaging of Nasudake (Chausudake) Volcano Determined from Time Domain Electromagnetic Survey (TDEM)Two independent signals detected by ocean bottom electromagnetometers during a non-eruptive volcanic event : Ogasawara Island arc volcano, Nishinoshima
- References
- Salt shell fallout during the ash eruption at the Nakadake crater, Aso volcano, Japan : evidence of an underground hydrothermal system surrounding the erupting ventTemporal variation in source location of continuous tremors before ash-gas emissions in January 2014 at Aso volcano, JapanCrustal magma pathway beneath Aso caldera inferred from 3-D electrical resistivity structureA water flow model of the active crater lake at Aso volcano, Japan: fluctuations of magmatic gas and groundwater fluxes from the underlying hydrothermal system3D finite-element forward modeling of electromagnetic data using vector and scalar potentials and unstructured gridsOccam's inversion; a practical algorithm for generating smooth models from electromagnetic sounding dataThe September 14, 2015 phreatomagmatic eruption of Nakadake first crater, Aso Volcano, Japan: Eruption sequence inferred from ballistic, pyroclastic density current and fallout depositsThree-dimensional seismic velocity structure beneath Aso Volcano, Kyushu, JapanAsh eruption of the Naka-dake crater, Aso volcano, southwestern JapanThree-dimensional resistivity structure of Asama Volcano revealed by data-space magnetotelluric inversion using unstructured tetrahedral elementsACTIVE system for monitoring volcanic activity: A case study of the Izu-Oshima Volcano, Central JapanLaboratory measurements of electrical conductivity of hydrous and dry silicic melts under pressureFinite element based inversion for time-harmonic electromagnetic problemsA preparation zone for volcanic explosions beneath Naka-dake crater, Aso volcano, as inferred from magnetotelluric surveysEdge‐based finite element approach to the simulation of geoelectromagnetic induction in a 3‐D sphereResistivity structure of Unzen Volcano derived from time domain electromagnetic (TDEM) surveyElectrical Conductivity Models of the Crust and MantleAso94: Aso seismic observation with broadband instrumentsDetection of a crack‐like conduit beneath the active crater at Aso Volcano Japan2014年11月から始まった阿蘇火山中岳第一火口の噴火活動Three-dimensional magnetotelluric: data space method
- Data Provider (Database)
- 国立情報学研究所 : CiNii Research
- Original Data Provider (Database)
- 学術機関リポジトリデータベース雑誌記事索引データベースCrossrefCiNii Articles科学研究費助成事業データベースCrossrefCrossrefCrossrefCrossrefCrossrefCrossrefCrossrefCrossrefCrossrefCrossref
- Bibliographic ID (NDL)
- 11189198
- NAID
- 120006540176