Which is heterogeneous, stress or strength？ : an estimation from high-density seismic observations
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DOI[10.1186/s40623-017-0730-3]to the data of the same series
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- Material Type
- 記事
- Title
- Author/Editor
- Yoshihisa IioItaru YonedaMasayo Sawada
- Publication, Distribution, etc.
- Publication Date
- 2017-10-20
- Publication Date (W3CDTF)
- 2017-10-20
- Periodical title
- EPS : Earth, Planets and Space
- No. or year of volume/issue
- 69(144)
- Volume
- 69(144)
- ISSN (Periodical Title)
- 1880-5981
- ISSN-L (Periodical Title)
- 1343-8832
- Text Language Code
- eng
- DOI
- 10.1186/s40623-017-0730-3
- Persistent ID (NDL)
- info:ndljp/pid/11002670
- 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)
- 2017-12-14T17:18:17+09:00
- Date Captured (W3CDTF)
- 2017-12-13
- 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/10319651
- 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.
- Using data from high-density seismic observation networks installed in the western Nagano Prefecture region in Japan, we precisely determined focal mechanisms and estimated the high-resolution stress field at a scale of 1 km. Almost all differences between observed and calculated slip directions (misfit) were smaller than the errors in focal mechanisms at grid points away from the mainshock fault. This finding clearly indicates that the estimated uniform stress suitably explains focal mechanisms in each subregion apart from the mainshock fault. Misfits are relatively large at grid points near the mainshock fault, but many of these misfits are smaller than the errors in focal mechanisms, and stress is regarded as uniform for a greater portion within each subregion. However, we found that focal mechanisms and P-axes varied widely and differed from each other for a short focal distance of 100 m. These results clearly show that stress can be regarded as uniform, but that strength is heterogeneous.The Correction to this article has been published in Earth, Planets and Space 2018 70:20.
- DOI
- 10.1186/s40623-017-0730-3
- Access Restrictions
- インターネット公開
- Rights (production)
- © The Author(s) 2017. 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
- Crustal dynamics: unified understanding of geodynamic processes at different time and length scalesStress relaxation arrested the mainshock rupture of the 2016 Central Tottori earthquakeEstimation of the heterogeneity of stress fields using misfit angles in focal mechanismsSpatial change in differential stress magnitudes around the source fault before intraplate earthquakes近年の地震観測により得られた東北日本の応力場の不均質性と断層強度および地震発生機構の関係Stationarity of aftershock activities of the 2016 Central Tottori Prefecture earthquake revealed by dense seismic observation
- References
- Relationship between hypocentral distributions and Vp/Vs ratio structures inferred from dense seismic array data: a case study of the 1984 western Nagano Prefecture earthquake, central JapanState of stress from focal mechanisms before and after the 1992 landers earthquake sequenceSlow initial phase generated by microearthquakes occurring in the western Nagano Prefecture, Japan ‐The source effect‐Similar microearthquakes observed in western Nagano, Japan, and implications for rupture mechanicsChanges in the stress field after the 2008 <i>M</i>7.2 Iwate‐Miyagi Nairiku earthquake in northeastern JapanSource Parameters and Rupture Velocities of Microearthquakes in Western Nagano, Japan, Determined Using Stopping PhasesSpatially heterogeneous stress field in the source area of the 2011 Mw 6.6 Fukushima-Hamadori earthquake, NE Japan, probably caused by static stress changeMaximum-likelihood estimation of hypocenter with origin time eliminated using nonlinear inversion techniqueCoseismic stress changes induced by the 1989 Loma Prieta, California EarthquakeDetermination of stress from slip data: Faults and foldsA stochastic fault model: 1. Static caseSpatial heterogeneity of tectonic stress and friction in the crustS‐wave energy estimation of small‐earthquakes in the western Nagano region, JapanCharacterization of Fault ZonesCompression directions in southern California (from Santa Barbara to Los Angeles Basin) obtained from borehole breakoutsModels of Stochastic, Spatially Varying Stress in the Crust Compatible with Focal-Mechanism Data, and How Stress Inversions Can Be Biased toward the Stress Rate3-D rotation of double-couple earthquake sourcesAn improved method for determining the regional stress tensor using earthquake focal mechanism data: Application to the San Fernando Earthquake SequenceSimultaneous inversion of waveform and geodetic data for the rupture process of the 1984 Naganoken-Seibu, Japan, earthquakeStress perturbations associated with active faults penetrated by boreholes: Possible evidence for near‐complete stress drop and a new technique for stress magnitude measurementComment on “Models of Stochastic, Spatially Varying Stress in the Crust Compatible with Focal‐Mechanism Data, and How Stress Inversions Can Be Biased toward the Stress Rate” by Deborah Elaine Smith and Thomas H. HeatonEarthquake Nucleation ProcessFriction of rocksLocal stress concentration in the seismic belt along the Japan Sea coast inferred from precise focal mechanisms: Implications for the stress accumulation process on intraplate earthquake faultsAftershocks are well aligned with the background stress field, contradicting the hypothesis of highly heterogeneous crustal stressHigh-pressure fluid at hypocentral depths in the L'Aquila region inferred from earthquake focal mechanismsStress rotation during the Coalinga Aftershock SequenceMeasurements of spectral similarity for microearthquakes in western Nagano, JapanDetailed spatial changes in the stress field of the 1984 western Nagano earthquake regionSpatial and temporal characteristics of low-magnitude seismicity from a dense array in western Nagano Prefecture, Japan
- 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CrossrefCrossrefCrossrefCrossrefCrossrefCrossref
- Bibliographic ID (NDL)
- 11002670
- NAID
- 120006523818