Temporal variation in source location of continuous tremors before ash–gas emissions in January 2014 at Aso volcano, Japan
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DOI[10.1186/s40623-018-0895-4]to the data of the same series
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- Material Type
- 記事
- Author/Editor
- Misa IchimuraAkihiko YokooTsuneomi Kagiyama
- Publication, Distribution, etc.
- Publication Date
- 2018-08-03
- Publication Date (W3CDTF)
- 2018-08-03
- Periodical title
- EPS : Earth, Planets and Space
- No. or year of volume/issue
- 70(125)
- Volume
- 70(125)
- ISSN (Periodical Title)
- 1880-5981
- ISSN-L (Periodical Title)
- 1343-8832
- Text Language Code
- eng
- DOI
- 10.1186/s40623-018-0895-4
- Persistent ID (NDL)
- info:ndljp/pid/11125893
- 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)
- 2018-08-10T20:26:03+09:00
- Date Captured (W3CDTF)
- 2018-08-10
- 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.
- Volcanic tremor is often observed to be associated with an increase in volcanic activity and during periods approaching eruptions. It is therefore of crucial importance to study this phenomenon. The opening of a new vent and subsequent ash–gas emissions was observed in the active crater (Nakadake crater) of Aso volcano, Japan, in January 2014. These events were considered to be associated with phreatomagmatic activity similar to the small events of 2003–2005. During the period from December 2013 to January 2014, a significant variation in the amplitude of continuous seismic tremors was observed corresponding to surficial volcanic activity. We estimated the tremor source locations for this two-month period by a three-dimensional grid search using the tremor amplitude ratio of 5–10 Hz band-pass filtered waveforms. The estimated source locations were distributed in a roughly cylindrical region (100–150 m in diameter) ranging from the ground surface to a depth of 400 m. Migration of the estimated source location was also identified and was associated with changes in volcanic activity. We assumed that the source locations coincided with a conduit system of the volcano, consisting of networks of fractures. This area is likely situated above the crack-like conduit proposed in previous studies. Before the 2014 event, an increase in gas-dominated volcanic fluid first caused an enlargement of the conduit zone, followed by the migration of further magmatic fluid through other pathways, which resulted in a subsequent ash–gas emission. Although we do not have sufficient information to discuss the causal relationship between these processes, it seems reasonable that continuous tremors might change the conduit conditions.
- DOI
- 10.1186/s40623-018-0895-4
- 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
- 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 systemEstimating plume heights of explosive eruptions using high-frequency seismic amplitudesMagmatic–hydrothermal system of Aso Volcano, Japan, inferred from electrical resistivity structuresLinking the flow-induced tremor model to the seismological observation: application to the deep harmonic tremor at Hakone volcano, JapanTemporal variation in the depth of the magma surface at Aso volcano in 2014–2015Heat transport process associated with the 2021 eruption of Aso volcano revealed by thermal and gas monitoringMagmatic processes associated with the 2020 eruption of Taal Volcano, Philippines, revealed by local seismic source estimatesAmplitude Source Location Method With Depth‐Dependent Scattering and Attenuation Structures: Application at Nevado del Ruiz Volcano, ColombiaHydrothermal system of the active crater of Aso volcano (Japan) inferred from a three-dimensional resistivity structure modelTemporal variations in discharge rate and component characteristics of tephra-fall deposits during the 2014–2015 eruption of Nakadake first crater, Aso Volcano, JapanEstimation of relative source locations from seismic amplitude : application to earthquakes and tremors at Meakandake volcano, eastern Hokkaido, Japan
- 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 ArticlesCrossrefCrossrefCrossrefCrossrefCrossrefCrossrefCrossrefCrossrefCrossrefCrossrefCrossref
- Bibliographic ID (NDL)
- 11125893
- NAID
- 120006502579