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A study on the mega thrust activity along the Himalayan front

Research Project

Project/Area Number 21700853
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeSingle-year Grants
Research Field Geography
Research InstitutionGunma University

Principal Investigator

KUMAHARA Yasuhiro  群馬大学, 教育学部, 准教授 (60379857)

Project Period (FY) 2009 – 2012
Project Status Completed (Fiscal Year 2012)
Budget Amount *help
¥4,420,000 (Direct Cost: ¥3,400,000、Indirect Cost: ¥1,020,000)
Fiscal Year 2012: ¥390,000 (Direct Cost: ¥300,000、Indirect Cost: ¥90,000)
Fiscal Year 2011: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2010: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2009: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
Keywords活断層 / ヒマラヤ / 断層地形 / 空中写真 / ブータン / 変動地形
Research Abstract

1)Recognition of detailed fault trace and its geometrical pattern in the Himalayan front
Based on photo interpretation focused on the Nepal Himalaya, I recognized the 50-km-long fault system with right lateral strike slip behind the Himalayan front newly. The founding leads that not mega thrust along the Himalayan front, but strike slip fault system across the range played an important role to release to the strain of the plate collision.
I interpreted the distribution of active fault in Bhutan and show its geometrical pattern.
2)Clarification of characteristics of tectonic landform
I surveyed tectonic landform in Gelephu, southern Bhutan to clarify its characteristics where most prominent landform developed.
3)Reconstruction of seismic history accompanied with surface rupture, NW Himalayan front
It is highly possible that the mega thrust along the NW Himalayan front for 430 km length generated two earthquakes in 16 century with dividing into two extents for 200 km in the east and 230 km in the west.

Report

(5 results)
  • 2012 Annual Research Report   Final Research Report ( PDF )
  • 2011 Annual Research Report
  • 2010 Annual Research Report
  • 2009 Annual Research Report
  • Research Products

    (20 results)

All 2013 2012 2011 2010 Other

All Journal Article (6 results) (of which Peer Reviewed: 4 results) Presentation (13 results) Remarks (1 results)

  • [Journal Article] Paleoseismic evidence of a surface rupture along the northwestern Himalayan Frontal Thrust (HFT)2013

    • Author(s)
      Kumahara Y. and Jayangondaperumal, R.
    • Journal Title

      Geomorphology

      Volume: Vol.180-181 Pages: 47-56

    • DOI

      10.1016/j.geomorph.2012.09.004

    • Related Report
      2012 Annual Research Report 2012 Final Research Report
    • Peer Reviewed
  • [Journal Article] Preliminary mapping for active fault in the southern Bhutan Himalaya2012

    • Author(s)
      Kumahara Y. and C.Jamyang
    • Journal Title

      Bhutan Geology

      Volume: Vol.9 Pages: 19-23

    • Related Report
      2012 Final Research Report
  • [Journal Article] Preliminary Mapping for Active Fault in the Southern Bhutan Himalaya2011

    • Author(s)
      Kumahara, Y., Jamyang, C
    • Journal Title

      Bhutan Geology 9

      Volume: 9 Pages: 19-23

    • Related Report
      2011 Annual Research Report
  • [Journal Article] Paleoseismological evidence of surface faulting along the northeastern Himalayan front, India: Timing, size, and spatial extent of great earthquakes2010

    • Author(s)
      S. Kumar, S. G. Wesnousky, R. Jayangondaperumal, T. Nakata, Y. Kumahara, V. Singh
    • Journal Title

      Journal of Geophysical Research

      Volume: vol.115 Issue: B12

    • DOI

      10.1029/2009jb006789

    • Related Report
      2012 Final Research Report
    • Peer Reviewed
  • [Journal Article] Structural analysis of the coseismic shear zone of the 2008 Mw 7.9 Wenchuan earthquake, China2010

    • Author(s)
      A. Lin, Z. Ren and Y. Kumahara
    • Journal Title

      Journal of Structural Geology

      Volume: Vol.32 Issue: 6 Pages: 781-791

    • DOI

      10.1016/j.jsg.2010.05.004

    • Related Report
      2012 Final Research Report
    • Peer Reviewed
  • [Journal Article] Paleoseismological evidence of surface faulting along the northeastern Himalayan front, India : Timing, Size, and Spatial Extent of Great Earth quakes2010

    • Author(s)
      Kumar S., et al
    • Journal Title

      Journal of Geophysical Research 2009JB006 789RR(掲載決定)

    • Related Report
      2009 Annual Research Report
    • Peer Reviewed
  • [Presentation] ブータンヒマラヤの活断層の分布と変位様式2013

    • Author(s)
      熊原康博
    • Organizer
      日本地理学会春季学術大会
    • Place of Presentation
      立正大学
    • Year and Date
      2013-03-29
    • Related Report
      2012 Annual Research Report 2012 Final Research Report
  • [Presentation] ブータン南部ゲレフ地域の断層変位地形2012

    • Author(s)
      熊原康博・橋爪 誠
    • Organizer
      日本地理学会春季学術大会
    • Place of Presentation
      首都大学東京
    • Year and Date
      2012-03-29
    • Related Report
      2012 Final Research Report 2011 Annual Research Report
  • [Presentation] Characteristics of active faults in the southern Bhutan Himalaya ,Open Symposium on DGM-SATREPS Project2012

    • Author(s)
      Yasuhiro Kumahara
    • Organizer
      Study on glacial lake outburst floods (GLOFs) in the Bhutan Himalayas
    • Place of Presentation
      名古屋大学
    • Year and Date
      2012-02-14
    • Related Report
      2012 Final Research Report
  • [Presentation] Characteristics of active faults in the southern Bhutan Himalaya2012

    • Author(s)
      Yasuhiro Kumahara
    • Organizer
      Open Symposium on DGM-SATREPS Project "Study on glacial lake outburst floods (GLOFs) in the Bhutan Himalayas"
    • Place of Presentation
      名古屋大学
    • Year and Date
      2012-02-14
    • Related Report
      2011 Annual Research Report
  • [Presentation] Active faulting in southern Bhutan Himalaya and its application for active tectonics2011

    • Author(s)
      Jamyang Chophel and Y. Kumahara
    • Organizer
      2011年度地球惑星連合大会
    • Place of Presentation
      幕張メッセ
    • Year and Date
      2011-05-24
    • Related Report
      2012 Final Research Report 2011 Annual Research Report
  • [Presentation] ブータン南部の活断層の分布と変位様式2011

    • Author(s)
      熊原康博・橋爪 誠
    • Organizer
      日本地理学会春季学術大会
    • Place of Presentation
      明治大学
    • Year and Date
      2011-03-31
    • Related Report
      2012 Final Research Report
  • [Presentation] ブータン南部の活断層の分布と変位様式2011

    • Author(s)
      熊原康博・橋爪誠
    • Organizer
      日本地理学会春季学術大会
    • Place of Presentation
      東京都・明治大学
    • Year and Date
      2011-03-31
    • Related Report
      2010 Annual Research Report
  • [Presentation] インド・パンジャーブ州におけるヒマラヤ前縁の活断層地形2010

    • Author(s)
      熊原康博
    • Organizer
      日本地球惑星科学連合2010年度連合大会
    • Place of Presentation
      幕張メッセ
    • Year and Date
      2010-05-27
    • Related Report
      2012 Final Research Report
  • [Presentation] インド・パンジャーブ州におけるヒマラヤ前縁の活断層地形2010

    • Author(s)
      熊原康博
    • Organizer
      日本地球惑星科学連合2010年度連合大会
    • Place of Presentation
      千葉市・幕張メッセ
    • Year and Date
      2010-05-27
    • Related Report
      2010 Annual Research Report
  • [Presentation] 低ヒマラヤ帯における活断層直近斜面の地すべり地形分布図の作成と地震地すべりへの適用2010

    • Author(s)
      八木浩司・佐藤 浩・熊原康博
    • Organizer
      日本地球惑星科学連合2010年度連合大会
    • Place of Presentation
      幕張メッセ
    • Year and Date
      2010-05-24
    • Related Report
      2012 Final Research Report
  • [Presentation] 低ヒマラヤ帯における活断層直近斜面の地すべり地形分布図の作成と地震地すべりへの適用2010

    • Author(s)
      八木浩司・佐藤浩・熊原康博
    • Organizer
      日本地球惑星科学連合2010年度連合大会
    • Place of Presentation
      千葉市・幕張メッセ
    • Year and Date
      2010-05-24
    • Related Report
      2010 Annual Research Report
  • [Presentation] ネパール中・中西部MBF, MFF沿いの地すべり地形分布図2010

    • Author(s)
      八木浩司, ほか
    • Organizer
      日本地理学会春季学術大会
    • Place of Presentation
      法政大学
    • Year and Date
      2010-03-10
    • Related Report
      2009 Annual Research Report
  • [Presentation] Paleoseismological study in the Nepal Himalaya-Present status2010

    • Author(s)
      B. N. Upreti and Y. Kumahara
    • Organizer
      Chapman Conference on complexity and extreme events in geosciences, National Geophysical Research
    • Place of Presentation
      National Geophysical Research, Institute, Hyderabad, India
    • Year and Date
      2010-02-16
    • Related Report
      2012 Final Research Report 2009 Annual Research Report
  • [Remarks] ブータンでもっと購読者が多い新聞であるKuensel新聞(朝刊)に,本成果の一部を紹介(平成24年3月24日(土)掲載)

    • URL

      http://www.kuenselonline.com/2011/?p=29034

    • Related Report
      2012 Final Research Report

URL: 

Published: 2009-04-01   Modified: 2019-07-29  

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