Fault weakening caused by smectite swelling
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DOI[10.1186/s40623-019-1108-5]to the data of the same series
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- Material Type
- 記事
- Author/Editor
- Jun KamedaMasaoki UnoMarianne Conin
- Publication, Distribution, etc.
- Publication Date
- 2019-12-02
- Publication Date (W3CDTF)
- 2019-12-02
- Periodical title
- EPS : Earth, Planets and Space
- No. or year of volume/issue
- 71(131)
- Volume
- 71(131)
- ISSN (Periodical Title)
- 1880-5981
- ISSN-L (Periodical Title)
- 1343-8832
- Text Language Code
- eng
- DOI
- 10.1186/s40623-019-1108-5
- Persistent ID (NDL)
- info:ndljp/pid/11467676
- 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)
- 2020-03-23T18:58:42+09:00
- Date Captured (W3CDTF)
- 2020-03-23
- 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/11245705
- 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.
- The large slip along the shallow subduction interface during the 2011 Tohoku-Oki earthquake (Mw9.0) caused a huge tsunami that struck the northeast coast of Honshu, Japan. The Integrated Ocean Drilling Program Expedition 343 JFAST program revealed that the fault zone is composed primarily of smectite. Our swelling experiments using the fault material demonstrated that the swelling pressure systematically increases with a decrease in sample porosity. Based on in situ porosity estimations in the IODP borehole, the swelling pressure of the fault is as high as 8 MPa, which is comparable to the effective normal stress at the drill site (~ 7 MPa). This also suggests that the modified effective confining pressure of the fault is quite low or potentially zero, meaning that fault strength is governed mainly by cohesion rather than frictional strength. The fault may therefore be intrinsically weak, which could enhance the coseismic displacement toward the trench when earthquake slip propagates from depth.
- DOI
- 10.1186/s40623-019-1108-5
- Access Restrictions
- インターネット公開
- Rights (production)
- © The Author(s) 2019.This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creat iveco mmons .org/licen ses/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
- Fault weakening caused by smectite swelling
- Related Material (URI)
- Is Referenced By
- Cohesional Slip on a Plate Subduction Boundary During a Large EarthquakeAbrupt water temperature increases near seafloor during the 2011 Tohoku earthquakeStick-slip behavior of a clayey crustal faultVolatile-consuming reactions fracture rocks and self-accelerate fluid flow in the lithosphereSurface Physicochemical Properties of Smectite‐Rich Fault Gouge: A Case Study of the Japan Trench Plate‐Boundary FaultSpecial issue "Crustal dynamics : toward integrated view of island arc seismogenesis
- References
- Exchangeable cation composition of the smectite‐rich plate boundary fault at the Japan TrenchLow Coseismic Shear Stress on the Tohoku-Oki Megathrust Determined from Laboratory ExperimentsStructure and Composition of the Plate-Boundary Slip Zone for the 2011 Tohoku-Oki EarthquakePelagic smectite as an important factor in tsunamigenic slip along the Japan TrenchCoseismic fault rupture at the trench axis during the 2011 Tohoku-oki earthquakeThe 2011 Tohoku-Oki Earthquake: Displacement Reaching the Trench AxisLow Coseismic Friction on the Tohoku-Oki Fault Determined from Temperature MeasurementsSwelling characteristics of bentonites in artificial seawaterAbundance of smectite and the location of a plate-boundary fault, Barbados accretionary prismLaboratory results indicating complex and potentially unstable frictional behavior of smectite clayClay gougeShallow Dynamic Overshoot and Energetic Deep Rupture in the 2011 <i>M</i> <sub>w</sub> 9.0 Tohoku-Oki EarthquakeSilica diagenesis and its effect on interplate seismicity in cold subduction zonesSwelling pressure and microstructure of an activated swelling clay with temperatureRunaway slip to the trench due to rupture of highly pressurized megathrust beneath the middle trench slope: The tsunamigenesis of the 2011 Tohoku earthquake off the east coast of northern JapanSmectite swelling in the Miura–Boso accretionary prism: Possible cause for incipient décollement zone formationStructural and physical property characterization in the Wenchuan earthquake Fault Scientific Drilling project — hole 1 (WFSD-1)11. Friction of the Smectite Clay MontmorilloniteFracture porosity in the décollement zone of Nankai accretionary wedge using Logging While Drilling resistivity dataCore-log integration studies in hole-A of Taiwan Chelungpu-fault Drilling ProjectEffect of hydration state on the frictional properties of montmorillonite‐based fault gougeAnalysis of the validity of the Gouy-Chapman theory of the electric double layerFrictional dependence of gouge mixtures of quartz and montmorillonite on velocity, composition and fabricPhysical Properties Handbook: A Guide to the Shipboard Measurement of Physical Properties of Deep-Sea CoresDistribution of resistive and conductive structures in Nankai accretionary wedge reveals contrasting stress pathsSwelling pressures of compacted bentonites from diffuse double layer theoryStrength of stick-slip and creeping subduction megathrusts from heat flow observationsHigh heat flow anomalies on an old oceanic plate observed seaward of the Japan TrenchResponse of natural smectite to seismogenic heating and potential implications for the 2011 Tohoku earthquake in the Japan TrenchA Modified Shear Strength Formulation for Swelling Clay SoilsGeothermal gradient and heat flow data in and around Japan (I): apprasial of heat flow from geothermal gradient dataTsunami source of the 2011 off the Pacific coast of Tohoku Earthquake
- References (URI)
- 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科学研究費助成事業データベース科学研究費助成事業データベース学術機関リポジトリデータベースCrossrefCrossrefCrossrefCrossrefCrossrefCrossref
- Bibliographic ID (NDL)
- 11467676
- NAID
- 120007163375