Imanishi Kazutoshi 今西和俊

… Alternative Names

IMANISHI Kazutoshi 今西和俊

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Researcher Number	70356517
Other IDs	https://orcid.org/0000-0002-3346-0009
External Links
Affiliation (Current)	2025: 国立研究開発法人産業技術総合研究所, 地質調査総合センター, 副研究部門長
Affiliation (based on the past Project Information) *help	2021 – 2024: 国立研究開発法人産業技術総合研究所, 地質調査総合センター, 副研究部門長 2020: 国立研究開発法人産業技術総合研究所, 地質調査総合センター, 総括研究主幹 2013 – 2014: 独立行政法人産業技術総合研究所, 活断層・火山研究部門, 研究グループ長 2013: (独)産業技術総合研究所, 研究員 2012: 独立行政法人産業技術総合研究所, 活断層・地震研究センター, 主任研究員 … More 2010: 東京大学, 産業技術総合研究所, 研究員 2009 – 2010: 産業技術総合研究所, 研究員 2009: National Institute of Advanced Industrial Science and Technology, 活断層・地震研究センター, 主任研究員 2009: National Institute of Advanced Industrial Science and Technology, 活断層・地震研究センター, 研究員 2008: 東京大学, 産業技術総合研究所, 研究員 2008: National Institute of Advanced Industrial Science and Technology, 地質情報研修部門, 研究員 2007: National Institute of Advanced Industrial Science and Technology, 地質情報研究部門, 研究員 2005 – 2006: 独立行政法人産業技術総合研究所, 地質情報研究部門, 研究員 Less
Review Section/Research Field	Principal Investigator Solid earth and planetary physics / Basic Section 17040:Solid earth sciences-related / Transformative Research Areas, Section (II) Except Principal Investigator Solid earth and planetary physics
Keywords	Principal Investigator メカニズム解 / 臨時観測 / モーメントテンソル解 / 非せん断破壊 / 応力テンソルインバージョン / 応力降下量 / 余震 / 応力 / プレート固着 / 測地データ … More / 地震ビッグデータ / 歪・回転地震動 / アレイ観測 / ゆっくり地震 / 歪・回転成分 / 地震 / 近接地震 / 流体 / 逐次相対法 / S波異方性 / Ｓ波異方性 / 発震機構解 / 波動特性 / 西南日本 / 臨時地震観測 / 振動特性 / 非火山性深部低周波微動 / 2009年駿河湾の地震 / 2007年新潟県中越沖地震 / 2007年能登半島地震 / 1995年兵庫県南部地震 / 絶対応力場 / 福岡県西方沖地震 / 震源メカニズム解 / 糸魚川-静岡構造線 / 新潟県中越地震 / 糸魚川一静岡構造線 / 新潟県中越地域 / 跡津川断層 / 応力場 / 小地震 … More Except Principal Investigator 南アフリカ鉱山地震 / 鉱山地震 / 準静的歪変化 / 断層強度 / 絶対応力 / 動的破損過程 / 準静的ひずみ変化 / 微小破壊 / 至近距離観測 / 誘発地震 / 南アフリカ金鉱山 / 沈み込み帯 / ブラウン運動 / 東海地域 / 低周波地震 / 地震観測 / 震源決定 / 時間関数 / 深部低周波微動 / ゆっくり地震 / 地震現象 Less

地震ビッグデータと測地データを組合せたプレート固着状態の推定：日変化検出への挑戦Principal Investigator
- Principal Investigator
  
  今西和俊
- Project Period (FY)
  2023 – 2026
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 17040:Solid earth sciences-related
- Research Institution
  National Institute of Advanced Industrial Science and Technology
地動の歪・回転成分を用いたゆっくり地震解析：非せん断破壊成分の推定と新しい震源像Principal Investigator
- Principal Investigator
  
  今西和俊
- Project Period (FY)
  2022 – 2023
- Research Category
  
  Grant-in-Aid for Transformative Research Areas (A)
- Review Section
  
  Transformative Research Areas, Section (II)
- Research Institution
  National Institute of Advanced Industrial Science and Technology
Breaking away from "Earthquake = shear failure": An attempt to estimate subtle non-double couple component through a new methodPrincipal Investigator
- Principal Investigator
  
  Imanishi Kazutoshi
- Project Period (FY)
  2020 – 2023
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 17040:Solid earth sciences-related
- Research Institution
  National Institute of Advanced Industrial Science and Technology
Determination of focal mechanisms of non-volcanic tremors based on their wavefield properties and elucidation of generation mechanisms of tremorsPrincipal Investigator
- Principal Investigator
  
  IMANISHI Kazutoshi
- Project Period (FY)
  2012 – 2014
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Solid earth and planetary physics
- Research Institution
  National Institute of Advanced Industrial Science and Technology
Multidisciplinary monitoring of preparation and generation of earthquakes at M2 sources in South African gold mines
- Principal Investigator
  
  OGASAWARA Hiroshi
- Project Period (FY)
  2009 – 2013
- Research Category
  
  Grant-in-Aid for Scientific Research (S)
- Research Field
  
  Solid earth and planetary physics
- Research Institution
  Ritsumeikan University
Study on slow earthquakes by detailed analysis of broadband observation
- Principal Investigator
  
  IDE Satoshi
- Project Period (FY)
  2008 – 2010
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Solid earth and planetary physics
- Research Institution
  The University of Tokyo
Reconstruction of absolute stress fields before earthquake based on a detailed aftershock analysisPrincipal Investigator
- Principal Investigator
  
  IMANISHI Kazutoshi
- Project Period (FY)
  2008 – 2009
- Research Category
  
  Grant-in-Aid for Young Scientists (B)
- Research Field
  
  Solid earth and planetary physics
- Research Institution
  National Institute of Advanced Industrial Science and Technology
評細な小地震解析による地殻内応力場の推定Principal Investigator
- Principal Investigator
  
  今西和俊
- Project Period (FY)
  2005 – 2007
- Research Category
  
  Grant-in-Aid for Young Scientists (B)
- Research Field
  
  Solid earth and planetary physics
- Research Institution
  National Institute of Advanced Industrial Science and Technology

All 2023 2022 2021 2020 2014 2013 2009 2008 2007 2006

All Journal Article Presentation

[Journal Article] 中国地域の地殻内応力マップの作成2021
- Author(s)
  今西和俊・内出崇彦・椎名高裕・松下レイケン・中井未里
- Journal Title
  
  地質調査研究報告
  
  Volume: 72 Pages: 23-40
- NAID
  130008024388
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-20K04141
[Journal Article] Driving stress and seismotectonic implications of the 2013 Mw5.8 Awaji Island earthquake, southwestern Japan, based on earthquake focal mechanisms before and after the mainshock2020
- Author(s)
  Imanishi Kazutoshi、Ohtani Makiko、Uchide Takahiko
- Journal Title
  
  Earth, Planets and Space
  
  Volume: 72 Issue: 1 Pages: 1-19
- DOI
  10.1186/s40623-020-01292-1
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-20K04141
[Journal Article] Stress field in the source region after the 2007 Mw 6. 6 Niigataken Chuetsu-oki earthquake deduced from aftershock focal mechanisms2009
- Author(s)
  Imanishi, K., Y. Kuwahara
- Journal Title
  
  Implication for a pre-mainshock stress field, Earth Planets and Space誌 61巻
  
  Pages: 1053-1065
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20740258
[Journal Article] Stress field in the source region after the 2007 Mw 6.6 Niigataken Chuetsu-oki earthquake deduced from aftershock focal mechanisms : Implication for a pre-mainshock stress field2009
- Author(s)
  今西和俊
- Journal Title
  
  Earth Planets and Space 61
  
  Pages: 1053-1065
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20740258
[Journal Article] 2007年新潟県中越沖地震の余震のメカニズム解の特徴2009
- Author(s)
  今西和俊
- Journal Title
  
  地震予知連絡会会報 79
  
  Pages: 365-368
- Data Source
  KAKENHI-PROJECT-20740258
[Journal Article] 2007年新潟県中越沖地震の余震のメカニズム解の特徴2009
- Author(s)
  今西和俊・桑原保人
- Journal Title
  
  地震予知連絡会会報 79巻
  
  Pages: 365-368
- Data Source
  KAKENHI-PROJECT-20740258
[Journal Article] Bridging the gap between seismically and geodetically detected slow earthquakes2008
- Author(s)
  Ide, S., K.Imanishi, Y.Yoshida, G.C.Beroza, D.R.Shelly
- Journal Title
  
  Geophysical Research Letters 35, L10305
- Data Source
  KAKENHI-PROJECT-20340115
[Journal Article] Bridging the gap between seismically and geodetically detected slow earthquakes2008
- Author(s)
  Ide, S., K. Imanishi, Y. Yoshida, G. C. Beroza, D. R. Shelly
- Journal Title
  
  Geophysical Research Letters 35
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20340115
[Journal Article] 応カテンソルィンバージョンによる内陸活断層周辺の応力場推定2007
- Author(s)
  今西和俊・桑原保人
- Journal Title
  
  月刊地球 29
  
  Pages: 329-334
- Data Source
  KAKENHI-PROJECT-17740294
[Journal Article] Source Scaling Relationships of Microearthquakes at Parkfield, CA, Determined Using the SAFOD Pilot Hole Seismic Array2006
- Author(s)
  Imanishi, K
- Journal Title
  
  AGU Monograph on Earthquakes : Radiated energy and the physics of earthquake faulting 170
  
  Pages: 81-90
- Data Source
  KAKENHI-PROJECT-17740294
[Journal Article] Off-fault aftershocks of the 2005 west off Fukuoka prefecture earthquake : Reactivation of a structural boundary?2006
- Author(s)
  Imanishi, K
- Journal Title
  
  Earth, Planets and Space 58
  
  Pages: 81-86
- NAID
  10024490953
- Data Source
  KAKENHI-PROJECT-17740294
[Journal Article] The Seismicity, Fault structures and stress field in the seismic gap adjacent to the 2004 mid Niigata earthquake inferred from seismological observation2006
- Author(s)
  Imanishi, K.
- Journal Title
  
  Earth, Planets and Space 58
  
  Pages: 831-841
- NAID
  10024492951
- Data Source
  KAKENHI-PROJECT-17740294
[Journal Article] 糸魚川-静岡構造線活断層系中・南部域における微小地震の発震機構解2006
- Author(s)
  今西和俊
- Journal Title
  
  活断層・古地震研究報告 6
  
  Pages: 55-70
- NAID
  40015565742
- Data Source
  KAKENHI-PROJECT-17740294
[Presentation] 下部地殻微小地震の発生メカニズム：広島県西部直下の深部クラスター活動の事例2023
- Author(s)
  今西和俊・内出崇彦
- Organizer
  日本地球惑星科学連合2023年大会
- Data Source
  KAKENHI-PROJECT-20K04141
[Presentation] Synthetic evaluation of constraint on non-double couple component in CMT analysis & application to real data2023
- Author(s)
  矢部優・武村俊介・今西和俊
- Organizer
  SF地震学押しかけワークショップ
- Int'l Joint Research
- Data Source
  KAKENHI-PUBLICLY-22H05317
[Presentation] 下部地殻で発生する微小地震とその発生メカニズム：広島県西部直下の深部クラスター活動の事例2023
- Author(s)
  今西和俊・内出崇彦
- Organizer
  日本地震学会2023年度秋季大会
- Data Source
  KAKENHI-PROJECT-20K04141
[Presentation] Analysis of slow-to-fast earthquakes using strain and rotational observations2023
- Author(s)
  今西和俊・矢部優
- Organizer
  Slow-to-Fast地震学国際合同研究集会2023
- Int'l Joint Research
- Data Source
  KAKENHI-PUBLICLY-22H05317
[Presentation] 地震のせん断破壊成分推定の試み2023
- Author(s)
  今西和俊
- Organizer
  SF地震学ミニ研究集会
- Data Source
  KAKENHI-PROJECT-20K04141
[Presentation] 広帯域地震計アレイによる地動回転成分の観測2023
- Author(s)
  今西和俊・矢部優
- Organizer
  日本地震学会2023年度秋季大会
- Data Source
  KAKENHI-PUBLICLY-22H05317
[Presentation] 下部地殻微小地震の発生メカニズム：広島県西部直下の深部クラスター活動の事例2023
- Author(s)
  今西和俊・内出崇彦
- Organizer
  Japan Geoscience Union Meeting 2023
- Data Source
  KAKENHI-PROJECT-20K04141
[Presentation] 理論テストによる並進・歪ジョイントCMT解析の精度検証2022
- Author(s)
  矢部優・今西和俊
- Organizer
  日本地震学会2022年度秋季大会
- Data Source
  KAKENHI-PUBLICLY-22H05317
[Presentation] Driving stress of the 2013 Mw5.8 Awaji Island earthquake, Japan, inferred from well-constrained focal mechanisms and its seismotectonic implication2020
- Author(s)
  Imanishi Kazutoshi、Ohtani Makiko、Uchide Takahiko
- Organizer
  JpGU-AGU Joint Meeting 2020
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K04141
[Presentation] 中国地域の地殻内応力マップの作成と活断層の活動性評価2020
- Author(s)
  今西和俊・内出崇彦・椎名高裕・松下レイケン・中井未里
- Organizer
  日本地震学会2020年度秋季大会
- Data Source
  KAKENHI-PROJECT-20K04141
[Presentation] Determination of Focal Mechanisms of Non-Volcanic Tremors Based on S-Wave Polarization Data Corrected for the Effects of Anisotropy2014
- Author(s)
  Kazutoshi Imanishi, Takahiko Uchide, and Naoto Takeda
- Organizer
  American Geophysical Union Fall meeting
- Place of Presentation
  サンフランシスコ
- Year and Date
  2014-12-19
- Data Source
  KAKENHI-PROJECT-24540463
[Presentation] S波の振動方向を用いた深部低周波微動の発震機構解推定―S波スプリッティングの補正―2014
- Author(s)
  今西和俊・武田直人・内出崇彦
- Organizer
  地球惑星科学連合2014年大会
- Place of Presentation
  横浜
- Data Source
  KAKENHI-PROJECT-24540463
[Presentation] S波の振動方向を用いた深部低周波微動の発震機構解推定―S波スプリッティングの補正―2014
- Author(s)
  今西和俊、内出崇彦、武田直人
- Organizer
  日本地球惑星科学連合2014年大会
- Place of Presentation
  横浜
- Year and Date
  2014-04-30
- Data Source
  KAKENHI-PROJECT-24540463
[Presentation] Monitoring of brittle-ductile transition zone by seismological observations2013
- Author(s)
  今西和俊
- Organizer
  ICDP Workshop: Japan Beyond-Brittle Project, JBBP - Scientific drilling to demonstrate the feasibility of engineered geothermal systems in ductile zones
- Place of Presentation
  仙台
- Data Source
  KAKENHI-PROJECT-24540463
[Presentation] 余震のメカニズム解と本震の断層モデルを組み合わせた本震発生前の応力場復元2009
- Author(s)
  今西和俊・桑原保人
- Organizer
  日本地球惑星科学連合2009年大会
- Place of Presentation
  幕張
- Year and Date
  2009-05-18
- Data Source
  KAKENHI-PROJECT-20740258
[Presentation] 2009年駿河湾の地震の余震を用いた応力場解析2009
- Author(s)
  今西和俊・武田直人・松下レイケン
- Organizer
  日本地震学会2009年度秋季大会
- Place of Presentation
  京都大学
- Year and Date
  2009-10-21
- Data Source
  KAKENHI-PROJECT-20740258
[Presentation] 2007年新潟県中越沖地震発生後の震源域における応力場の特徴と本震破壊との関係2009
- Author(s)
  今西和俊
- Organizer
  日本地球惑星科学連合
- Place of Presentation
  幕張
- Year and Date
  2009-05-18
- Data Source
  KAKENHI-PROJECT-20740258
[Presentation] 余震のメカニズム解と本震の断層モデルを組み合わせた本震発生前の応力場復元2009
- Author(s)
  今西和俊
- Organizer
  日本地球惑星科学連合
- Place of Presentation
  幕張
- Year and Date
  2009-05-18
- Data Source
  KAKENHI-PROJECT-20740258
[Presentation] Bridging the gap between seismically and geodetically detected slow earthquakes2008
- Author(s)
  Ide S., K.Imanishi, Y.Yoshida, G.C.Beroza, D.R.Shelly
- Organizer
  SSA 2008 Annual Meeting
- Place of Presentation
  Santa Fe, NM, USA.
- Year and Date
  2008-04-18
- Data Source
  KAKENHI-PROJECT-20340115
[Presentation] Are slow slip events more than the cumulative sum of slip in tremor?2008
- Author(s)
  Ide S., G.C.Beroza, D.R.Shelly, K.Ohta, J.R.Brown, K.Imanishi
- Organizer
  AGU Fall Meeting
- Place of Presentation
  San Francisco, CA, USA.
- Year and Date
  2008-12-18
- Data Source
  KAKENHI-PROJECT-20340115
[Presentation] 2007年新潟県中越沖地震発生後の震源域における応力場の特徴と本震破壊との関係2008
- Author(s)
  今西和俊・桑原保人
- Organizer
  日本地球惑星科学連合2008年大会
- Place of Presentation
  幕張
- Year and Date
  2008-05-26
- Data Source
  KAKENHI-PROJECT-20740258
[Presentation] Bridging the gap between seismically and geodetically detected slow earthquakes2008
- Author(s)
  Ide, S., K. Imanishi, Y. Yoshid a, G. C. Beroza, D. R. Shelly
- Organizer
  SSA 2008 Annual Meeting
- Place of Presentation
  Santa Fe, NM, USA
- Year and Date
  2008-04-18
- Data Source
  KAKENHI-PROJECT-20340115
[Presentation] Observations of Earthquake Source Processes at SAFOD2007
- Author(s)
  Imanishi, K.andW.L. Ellsworth
- Organizer
  米国地震学会
- Place of Presentation
  ハワイ
- Year and Date
  2007-04-13
- Data Source
  KAKENHI-PROJECT-17740294
[Presentation] 臨時地震観測による糸魚川一静岡構造線活断層系中・南部域における応力場推定2007
- Author(s)
  今西和俊・長郁夫・桑原保人・平田直・パナヨトプロスヤニス
- Organizer
  日本地球惑星科学連合2007年大会
- Place of Presentation
  幕張
- Year and Date
  2007-05-21
- Data Source
  KAKENHI-PROJECT-17740294
[Presentation] 2007年新潟県中越沖地震の震源域周辺における地震活動と応力場2007
- Author(s)
  今西和俊・桑原保人
- Organizer
  日本地震学会2007年度秋季大会
- Place of Presentation
  仙台
- Year and Date
  2007-10-24
- Data Source
  KAKENHI-PROJECT-17740294

1. IDE Satoshi (90292713)

# of Collaborated Projects: 2 results

# of Collaborated Products: 5 results
2. HIROSE Hitoshi (00465965)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
3. SHIOMI Katsuhiko (20500375)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
4. OGASAWARA Hiroshi (40213996)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
5. NAKATANI Masao (90345174)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
6. YABE Yasuo (30292197)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
7. KAWAKATA Hironori (80346056)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
8. ISHII Hiroshi (30004386)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
9. NAKAO Shigeru (90237214)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
10. OKUBO Makoto (50462940)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
11. IIO Yoshihisa (50159547)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
12. KANO Yasuyuki (30447940)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
13. KAME Nobuki (90304724)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
14. SATOH Takashi (90357161)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
15. LEI Xinglin (70358357)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
16. KATO Aitaro (20359201)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
17. IGARASHI Toshihiro (10334286)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
18. MORIYA Hirokazu (60261591)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
19. 野田朱美 (80793992)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results

Imanishi Kazutoshi 今西 和俊

IMANISHI Kazutoshi 今西 和俊

Research Projects

Research Products

Co-Researchers

地震ビッグデータと測地データを組合せたプレート固着状態の推定：日変化検出への挑戦Principal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

地動の歪・回転成分を用いたゆっくり地震解析：非せん断破壊成分の推定と新しい震源像Principal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Breaking away from "Earthquake = shear failure": An attempt to estimate subtle non-double couple component through a new methodPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Determination of focal mechanisms of non-volcanic tremors based on their wavefield properties and elucidation of generation mechanisms of tremorsPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Multidisciplinary monitoring of preparation and generation of earthquakes at M2 sources in South African gold mines

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Study on slow earthquakes by detailed analysis of broadband observation

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Reconstruction of absolute stress fields before earthquake based on a detailed aftershock analysisPrincipal Investigator

Principal Investigator

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Research Institution

評細な小地震解析による地殻内応力場の推定Principal Investigator

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[Journal Article] 中国地域の地殻内応力マップの作成2021

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NAID

Data Source

[Journal Article] Driving stress and seismotectonic implications of the 2013 Mw5.8 Awaji Island earthquake, southwestern Japan, based on earthquake focal mechanisms before and after the mainshock2020

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DOI

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[Journal Article] Stress field in the source region after the 2007 Mw 6. 6 Niigataken Chuetsu-oki earthquake deduced from aftershock focal mechanisms2009

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[Journal Article] Stress field in the source region after the 2007 Mw 6.6 Niigataken Chuetsu-oki earthquake deduced from aftershock focal mechanisms : Implication for a pre-mainshock stress field2009

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[Journal Article] 2007年新潟県中越沖地震の余震のメカニズム解の特徴2009

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[Journal Article] 2007年新潟県中越沖地震の余震のメカニズム解の特徴2009

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Data Source

[Journal Article] Bridging the gap between seismically and geodetically detected slow earthquakes2008

Imanishi Kazutoshi 今西和俊

IMANISHI Kazutoshi 今西和俊