INVESTIGATION OF TSUNAMI DEPOSITS IN ISHINOMAKI PLAIN,MIYAKI COUNTY,JAPAN

doi:10.3969/j.issn.0253-4967.2011.02.020

SEISMOLOGY AND GEOLOGY ›› 2011, Vol. 33 ›› Issue (2): 472-479.DOI: 10.3969/j.issn.0253-4967.2011.02.020

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INVESTIGATION OF TSUNAMI DEPOSITS IN ISHINOMAKI PLAIN,MIYAKI COUNTY,JAPAN

HE Hong-lin¹, RAN Yong-kang¹, SONG Fang-min¹, CHEN Li-chun¹, CHEN Jie²

1. National Center for Active Fault Studies,Institute of Geology,China Earthquake Administration, Beijing 100029, China;
2. State Key Laboratory of Earthquake Dynamics,Institute of Geology,China Earthquake Administration, Beijing 100029,China

Received:2011-04-28 Revised:2011-05-22 Online:2011-06-29 Published:2011-12-17

日本宫崎县石卷平原海啸堆积物调查

何宏林¹, 冉勇康¹, 宋方敏¹, 陈立春¹, 陈杰²

1. 中国地震局地质研究所, 国家地震活断层研究中心, 北京 100029;
2. 中国地震局地质研究所, 地震动力学国家重点实验室, 北京 100029

作者简介:何宏林,1964年生,1985年毕业于北京大学地质系,1988年在中国地震局地质研究所获硕士学位,2000年获东京大学理学博士学位,研究员,主要研究方向为活动构造和构造地貌、活动断层与地震、GIS技术应用与灾害预测评估,电话: 010-62009215,E-mail: honglinhe123@vip.sina.com。
基金资助:
科技部科研院所社会公益课题 "中国沿海地区古海啸的定量研究"(2005DIB3J118)资助。

Abstract

Abstract:

To carry out the project "Study on paleo-tsunami in east and southeast seashore area of China" supported by China Ministry of Science and Technology,we made a study tour to Japan in April,2007.In this visit,we investigated roughly the tsunami deposits in Ishinomaki Plain,Miyaki County,Japan,where a huge earthquake of M_W 9.0 occurred at March 11,2011.This earthquake caused a great tsunami along the northeast coast of Honsyu Island,Japan,bringing lots of death and huge economic loss.To understand the tsunami history in this area and the methods of investigating tsunami deposits,it is necessary to introduce briefly our investigation in Ishinomaki Plain,Miyaki County,Japan.Our investigation results demonstrated three tsunami events occurred in this area. The latest one occurred before 915 AD,when the Towada volcano erupted and the tephra from this eruption covered almost all of the Northeast Japan,corresponding to the 869 AD Jogan earthquake tsunami.

Key words: tsunami deposit, northeast Japan earthquake, geo-slicer

摘要：

2007年4月,为执行科技部科研院所社会公益课题 "中国沿海地区古海啸的定量研究",课题组部分成员访问了日本,并对日本东北地区宫崎县石卷海岸平原的海啸堆积物做了概略性的调查。2011年3月11日,该地区发生了9.0级大地震并引发海啸,造成了巨大的经济损失和人员伤亡。为了使人们对该地区过去的海啸历史有一个概略认识,并了解海啸堆积物的调查方法,对这次调查作一简要报道。这次调查揭示出3次海啸事件,最新一次发生在公元915年十和田火山喷发之前,对应于公元869年的贞观大海啸。

关键词: 海啸堆积物, 日本东北海啸, 大地切片

CLC Number:

P315.2

HE Hong-lin, RAN Yong-kang, SONG Fang-min, CHEN Li-chun, CHEN Jie. INVESTIGATION OF TSUNAMI DEPOSITS IN ISHINOMAKI PLAIN,MIYAKI COUNTY,JAPAN[J]. SEISMOLOGY AND GEOLOGY, 2011, 33(2): 472-479.

何宏林, 冉勇康, 宋方敏, 陈立春, 陈杰. 日本宫崎县石卷平原海啸堆积物调查[J]. 地震地质, 2011, 33(2): 472-479.

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[2]	HE Hong-lin, Eikichi TSUKUD, Kouichi SHIMOKAWA, Keita TAKADA, Tsuyoshi HARAGUCHI, Takeshi NAKADA, Kunihiko SHIMAZAKI. GEO-SLICER—A NEW TECHNIQUE FOR DETECTING ACTIVE FAULT [J]. SEISMOLOGY AND GEOLOGY, 2003, 25(3): 438-449.

INVESTIGATION OF TSUNAMI DEPOSITS IN ISHINOMAKI PLAIN,MIYAKI COUNTY,JAPAN

日本宫崎县石卷平原海啸堆积物调查

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