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Deng Qidong 1),Chao Hongtai 2),Min Wei 1),Zhong Yizhang 3)
Author NameAffiliation
Deng Qidong 1) 1)Institute of Geology, CSB, Beijing 100029, China 
Chao Hongtai 2) 2)Seismological Bureau of Shandong Province, Jinan 250014, China 
Min Wei 1) 1)Institute of Geology, CSB, Beijing 100029, China 
Zhong Yizhang 3) 3)Seismological Bureau of Liaoning Province 
摘要:
关键词:  海底地形学 海相活动断层 古地震学 地震反射勘探 声反射
DOI:
分类号:
基金项目:
Marine Active Fault Exploration and Paleoearthquake Research
Deng Qidong 1),Chao Hongtai 2),Min Wei 1),Zhong Yizhang 3)
Abstract:
Marine active fault exploration and paleoearthquake research are still a gap in China. The paper gives a review on major research methods and new progress made abroad, including submarine survey boat, seismic reflection and acoustic reflection. Through detailed studies of offset history of 10 ka to 30 ka, it is possible to determine paleoearthquake recurrent intervals and elapsed time since last major earthquake. It is suggested that active fault exploration can be carried out by acoustic exploring method in large earthquake region of Bohai Sea. Paleoearthquake activity history can be revealed and earthquake risk in the future can be predicted.
Key words:  Sea floor geomorphology  Marine active fault  Paleoearthquake  Acoustic exploring