Shallow volcanic reservoirs and pathways beneath Aso caldera revealed using ambient seismic noise tomography
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DOI[10.1186/s40623-018-0941-2]のデータに遷移します
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- 資料種別
- 記事
- 著者・編者
- Yu-Chih HuangTakahiro OhkuraTsuneomi Kagiyama
- 出版年月日等
- 2018-10-29
- 出版年（W3CDTF）
- 2018-10-29
- タイトル（掲載誌）
- EPS : Earth, Planets and Space
- 巻号年月日等（掲載誌）
- 70(169)
- 掲載巻
- 70(169)
- ISSN（掲載誌）
- 1880-5981
- ISSN-L（掲載誌）
- 1343-8832
- 本文の言語コード
- eng
- DOI
- 10.1186/s40623-018-0941-2
- 国立国会図書館永続的識別子
- info:ndljp/pid/11189231
- コレクション（共通）
- コレクション（障害者向け資料：レベル1）
- コレクション（個別）
- 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
- 収集根拠
- オンライン資料収集制度
- 受理日（W3CDTF）
- 2018-11-22T14:07:23+09:00
- 保存日（W3CDTF）
- 2018-11-21
- 記録形式（IMT）
- application/pdf
- オンライン閲覧公開範囲
- 国立国会図書館内限定公開
- デジタル化資料送信
- 図書館・個人送信対象外
- 遠隔複写可否（NDL）
- 可
- 掲載誌（国立国会図書館永続的識別子）
- info:ndljp/pid/11067456
- 連携機関・データベース
- 国立国会図書館 : 国立国会図書館デジタルコレクション
- 要約等
- Imaging the shallow velocity structures beneath Aso caldera is necessary to further understand volcanism at the volcano and in the region. The network for monitoring Aso volcano has been progressively renewed and upgraded with denser and more modern instruments. We used approximately 4 years of seismic data recorded by a network of 25 seismic stations to image S-wave velocity (Vs) structures beneath Aso caldera with seismic noise interferometry. We calculated daily cross-correlation functions (CCFs) of broadband and short-period station pairs separately and then stacked CCFs monthly, to obtain the time-domain empirical Green’s functions and corresponding Rayleigh-wave phase-velocity dispersion curves. Finally, we constructed 1–5-s phase-velocity maps interpolated from nodes spaced 0.05° grid. The maps allow investigating crustal Vs structures between the surface and a depth of 6 km, likely related to shallow volcanic reservoirs and pathways. High velocities are found within the first kilometer of the crust beneath post-caldera central cones. Low velocities in the center of the post-caldera central cones extend from the surface to a depth of 1–2.5 km; we infer that the anomalies mark shallow hydrothermal reservoirs likely replenished by precipitation and hydrographic networks. The prevalence of high velocities below 3 km can be considered as consolidated igneous rock. Low-velocity anomalies identified at depths of 5–6 km beneath the post-caldera central cones could be a manifestation of magma accumulation. The low-velocity belts situated at 2.5–5 km depths are likely pathways for the transfer of hydrothermal fluids, volcanic gases, or melting magma to the surface. The northern part of the caldera shows relevant lateral velocity variations, with low velocities and high velocities predominant in the east and west, respectively. Other low-Vs anomalies appear near the surface to the west and northwest of Aso caldera.
- DOI
- 10.1186/s40623-018-0941-2
- オンライン閲覧公開範囲
- インターネット公開
- 著作権情報
- 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.
- 関連情報（URI）
- 参照
- Magmatic–hydrothermal system of Aso Volcano, Japan, inferred from electrical resistivity structuresA Model Experiment of Fracture Induced Long‐Period Events: Injection of Pressurized Gas Into a Viscoelastic Rock AnalogPotential geothermal reservoir systems in the Kenyan Great Rift Valley and volcanic region assessed by ambient noise analysisHigh-resolution image on terminus of fault rupture: relationship with volcanic hydrothermal structureIdentifying Anomalies in Seismic Velocity and Scattering Property Changes at Active Volcanoes Based on Seismic Interferometry and the Local Outlier Probability Method
- 参照
- Crustal magma pathway beneath Aso caldera inferred from 3-D electrical resistivity structureThe one-bit noise correlation: a theory based on the concepts of coherent and incoherent noisePost-caldera explosive activity inferred from improved 67–30ka tephrostratigraphy at Aso Volcano, JapanThe September 14, 2015 phreatomagmatic eruption of Nakadake first crater, Aso Volcano, Japan: Eruption sequence inferred from ballistic, pyroclastic density current and fallout depositsNew, improved version of generic mapping tools releasedSynchronizing seismic networks with ambient noisePassive image interferometry and seasonal variations of seismic velocities at Merapi Volcano, IndonesiaThree-dimensional seismic velocity structure beneath Aso Volcano, Kyushu, JapanExtracting coherent coda arrivals from cross‐correlations of long period seismic waves during the Mount St. Helens 2004 eruptionMoment tensor analysis of near-field broadband waveforms observed at Aso Volcano, JapanMechanism of Phreatic Eruptions at Aso Volcano Inferred from Near-Field Broadband Seismic ObservationsSeismic imaging of magma chamber beneath an active volcanoCrustal structure beneath Aso Caldera, Southwest Japan, as derived from receiver function analysisVolcanic history and tectonics of the Southwest Japan ArcHigh-Resolution Surface-Wave Tomography from Ambient Seismic NoiseImportance of physical dispersion in surface wave and free oscillation problems: ReviewSurface wave tomography from microseisms in Southern CaliforniaInformation from Seismic NoiseSurface-wave array tomography in SE Tibet from ambient seismic noise and two-station analysis - I. Phase velocity mapsBroadband ambient noise surface wave tomography across the United StatesEstimation of surface wave Green's functions from correlation of direct waves, coda waves, and ambient noise in SE Tibet3‐D surface wave tomography of the Piton de la Fournaise volcano using seismic noise correlationsLow‐velocity zones in the crust beneath Aso caldera, Kyushu, Japan, derived from receiver function analysesAmbient noise Rayleigh wave tomography across EuropeComputer Programs in Seismology: An Evolving Tool for Instruction and ResearchAmbient seismic noise tomography of the Colima Volcano ComplexA preparation zone for volcanic explosions beneath Naka-dake crater, Aso volcano, as inferred from magnetotelluric surveysSurface wave tomography of China from ambient seismic noise correlationShallow crustal velocities and volcanism suggested from ambient noise studies using a dense broadband seismic network in the Tatun Volcano Group of TaiwanA study of the seismic noise from its long‐range correlation propertiesLocating a scatterer in the active volcanic area of Southern Peru from ambient noise cross-correlationThe oscillation model of hydrothermal dynamics beneath Aso volcano, southwest Japan after small eruption on May 2011: A new understanding model using repeated absolute and relative gravity measurementSeismic reflectors beneath the central cones of Aso Volcano, Kyushu, Japan10s‐period volcanic tremors observed over a wide area in southwestern JapanAmbient seismic noise tomography of Canada and adjacent regions: Part I. Crustal structuresA 90,000-year tephrostratigraphic framework of Aso Volcano, JapanSurface wave tomography of the western United States from ambient seismic noise: Rayleigh and Love wave phase velocity mapsAmbient noise cross correlation in free space: Theoretical approachAmbient noise Rayleigh wave tomography of New ZealandEmergence of broadband Rayleigh waves from correlations of the ambient seismic noiseAmbient seismic noise tomography of Australian continentAn attenuating structure beneath the Aso Caldera determined from the propagation of seismic wavesExtracting time‐domain Green's function estimates from ambient seismic noiseRayleigh wave group velocities at periods of 6–23 s across Brazil from ambient noise tomographySingle‐station monitoring of volcanoes using seismic ambient noiseSteady subsidence of a repeatedly erupting caldera through InSAR observations: Aso, JapanPhase Velocity Variation at Periods of 0.5-3 Seconds in the Taipei Basin of Taiwan from Correlation of Ambient Seismic NoiseOn the amplitude of surface waves obtained by noise correlation and the capability to recover the attenuation: a numerical approachCrustal and upper mantle S-wave velocity structures across the Taiwan Strait from ambient seismic noise and teleseismic Rayleigh wave analysesAso94: Aso seismic observation with broadband instrumentsImaging from one-bit correlations of wideband diffuse wave fieldsTraveltime measurements from noise correlation: stability and detection of instrumental time-shiftsExtensive ash falls in and around the sea of Japan from large late quaternary eruptionsDetection of a crack‐like conduit beneath the active crater at Aso Volcano Japan阿蘇火山の重力解析と解釈阿蘇火山における過去約9万年間の降下軽石堆積物阿蘇火山中央火口丘山体の3次元地震波速度構造阿蘇火山中岳1988～1995年活動期における噴火様式の変化Paleomagnetic directions of the Aso pyroclastic-flow and the Aso-4 co-ignimbrite ash-fall deposits in JapanGlobal surface wave tomography using seismic humUsing Himawari-8, estimation of SO2 cloud altitude at Aso volcano eruption, on October 8, 2016Ambient noise tomography in the Naruko/Onikobe volcanic area, NE Japan : implications for geofluids and seismic activityDip distribution of Oita-Kumamoto Tectonic Line located in central Kyushu, Japan, estimated by eigenvectors of gravity gradient tensor
- 連携機関・データベース
- 国立情報学研究所 : CiNii Research
- 提供元機関・データベース
- 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CrossrefCrossrefCrossrefCrossrefCrossref
- 書誌ID（NDLBibID）
- 11189231
- NII論文ID
- 120006800743