| Project/Area Number |
20403001
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| Research Category |
Grant-in-Aid for Scientific Research (B)
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| Allocation Type | Single-year Grants |
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| Section | 海外学術 |
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| Research Field |
Geography
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| Research Institution | Kyoto University |
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Principal Investigator |
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| Co-Investigator(Kenkyū-buntansha) |
HIRAHARA Kazuro 京都大学, 大学院・理学研究科, 教授 (40165197)
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| Co-Investigator(Renkei-kenkyūsha) |
NAKATA Takashi 広島工業大学, 環境学部, 教授 (60089779)
SUGITO Nobuhiko 名古屋大学, 大学院・環境学研究科, 研究員 (50437076)
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| Research Collaborator |
DELA CRUZ Laarni. S. 京都大学, 大学院・理学研究科, 博士後期課程研究生
RAMOS Noelynna T. 京都大学, 大学院・理学研究科, 博士
PEREZ Jeffrey S. 京都大学, 大学院・理学研究科, 博士
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| Project Period (FY) |
2008 – 2010
|
| Project Status |
Completed (Fiscal Year 2010)
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| Budget Amount *help |
¥11,180,000 (Direct Cost: ¥8,600,000、Indirect Cost: ¥2,580,000)
Fiscal Year 2010: ¥3,640,000 (Direct Cost: ¥2,800,000、Indirect Cost: ¥840,000)
Fiscal Year 2009: ¥3,510,000 (Direct Cost: ¥2,700,000、Indirect Cost: ¥810,000)
Fiscal Year 2008: ¥4,030,000 (Direct Cost: ¥3,100,000、Indirect Cost: ¥930,000)
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| Keywords | 活断層 / フィリピン断層 / 変動地形 / 歴史地震 / 古地震 / 海成段丘 / 海溝型巨大地震 / 地震発生シミュレーション / フィリピン断層帯 / トレンチ掘削調査 / クリープ変位 / 数値シミュレーション / マニラ海溝 / フィリピン海溝 / フィリピン / 断層変位地形 |
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| Research Abstract |
We identified an along-strike variation of seismic behavior of the Philippine fault from large surface-rupturing earthquakes to aseismic creeping based on geomorphic, historical earthquake, and paleoseismic data. We mapped the surface trace of the Philippine fault on 1 : 50, 000-scale topographic maps and made them available to the public on the homepage of the Philippine Institute of Volcanology and Seismology. Holocene raised coral reefs along the coast facing to the Philippine and Manila trenches suggest that the mega-thrust and related faults have generated large subduction zone earthquakes around the Philippines that caused uplift of the coastal areas on the order of several meters.
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