2009 Fiscal Year Final Research Report
Studies on earthquake cycles of continental transform faults based on surface geology and geomorphology
| Project/Area Number |
19403001
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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 | Hiroshima University |
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Principal Investigator |
OKUMURA Koji Hiroshima University, 大学院・文学研究科, 教授 (10291478)
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| Co-Investigator(Kenkyū-buntansha) |
MAEMOKU Hideaki 広島大学, 大学院・教育学研究科, 教授 (50222287)
GOTO Hideaki 広島大学, 大学院・文学研究科, 准教授 (40323183)
KUMAMOTO Yakashi 岡山大学, 自然科学研究科, 准教授 (60285096)
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| Project Period (FY) |
2007 – 2009
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| Keywords | トランスフォーム / 地震サイクル / 地形計測 / 活断層 / 古地震学 / ロジックツリー / トレンチ掘削調査 / 考古地震学 |
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| Research Abstract |
Recurrence behavior and mechanism were studied on the continental transform of the North Anatolian fault in Turkey. Firstly, high-precision topographic survey of the recent surface ruptures and associated deformation was carried out using dual-frequency RTK-GPS receivers. Secondly, trenching study was conducted in the east of Gerede on 1944 rupture to precisely determine timing and offset of 5 recent events. Thirdly, uncertainties of magnitude forecastw were analyzed using logic-tree evaluation methods.
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Research Products
(6 results)
