海底地震学

doi:10.11867/j.issn.1001-8166.2003.05.0783

地球科学进展 ›› 2003, Vol. 18 ›› Issue (5): 783 -788. doi: 10.11867/j.issn.1001-8166.2003.05.0783

海底地震学

KiyoshiSuyehiro ¹,ToshihikoKanazawa ²,MasanaoShinohara ²,EiichiroAraki ¹

1.日本海洋科学技术中心，2-15Natsushima-cho，Yokosuka 237-0061，Japan;2.东京大学地震研究所，1-1-1，Yayoi，Bunkyo-ku，Tokyo 113-0032，Japan

收稿日期:2003-05-23 修回日期:2003-07-25 出版日期:2003-12-20
通讯作者: KiyoshiSuyehiro

SUBSEAFLOOR SEISMOLOGY

KiyoshiSuyehiro ¹,ToshihikoKanazawa ²,MasanaoShinohara ²,EiichiroAraki ¹

1.JAMSTEC,2-15 Natsushima-cho, Yokosuka 237-0061,Japan;2.ERI,University of Tokyo,1-1-1,Yayoi, Bunkyo-ku, Tokyo 113-0032,Japan

Received:2003-05-23 Revised:2003-07-25 Online:2003-12-20 Published:2003-10-01

在海洋地区进行高质量的长期地震观测是全球地震观测的一个重要组成部分，DSDP／ODP是唯一能够钻穿软的沉积物、在坚硬的岩石里安置地震传感器这一目标的科学计划。介绍了ODP航次在井孔中设立地震台站、并获得一些有趣的结果的成功例子。ODP在日本外海布置了两个井中地震台站，与陆上台站一起来观测板块边界的活动性。此外，还介绍了西太平洋井中宽带台站、海上地震信号和噪音等问题。

关键词: 大洋钻探, 地震台网, 海洋, 海底地震学

To establish long-term high quality seismic stations is an important part of the global seismic observation. DSDP/ODP provide to be the only scientific program that could enable such an operation as to penetrate the soft sediments and to install the seismic stations in the hard rock. This article presents examples of how ODP Legs succeeded in establishing such borehole stations and obtained some interesting results. In order to observe plate boundary seismicity, two borehole stations were installed offshore Northern Japan with broadband seismometers, in combination with land stations. Topics such as broadband borehole stations in the Western Pacific and marine seismic signals and noises are also discussed. 

Key words: Ocean drilling, Seismic stations, Marine;Seismology.

中图分类号:

P738.4

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