[1]盛强,郭良田,安好收,等.水域浅层地震勘探在东莞市活断层探测中的应用[J].防灾科技学院学报,2018,20(03):31-37.
 Sheng Qiang,Guo Liangtian,An Haoshou,et al.Application of Shallow Marine Water Seismic Exploration in Active Fault Detection in Dongguan Area[J].JOURNAL OF INSTITUTE OF DISASTER PREVENTION,2018,20(03):31-37.
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水域浅层地震勘探在东莞市活断层探测中的应用
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《防灾科技学院学报》[ISSN:1673-8047/CN:13-1377/P]

卷:
第20卷
期数:
2018年03期
页码:
31-37
栏目:
目次
出版日期:
2018-09-30

文章信息/Info

Title:
Application of Shallow Marine Water Seismic Exploration in Active Fault Detection in Dongguan Area
作者:
盛强123郭良田123安好收4罗传根4
1.广东省地震局,广东 广州510070;2.中国地震局地震监测与减灾技术重点实验室,广东 广州510070; 3.广东省地震预警与重大工程安全诊断重点实验室,广东 广州510070; 4.江苏省地质勘查技术院,江苏 南京210008
Author(s):
Sheng Qiang123 Guo Liangtian123 An Haoshou4 Luo Chuangen4
1.Guangdong Earthquake Agency, Guangzhou 510070, China; 2. Key Laboratory of Earthquake Monitoring and Disaster Mitigation Technology, CEA, Guangzhou 510070, China; 3. Key Laboratory of Guangdong Province Earthquake Eady Warning and Safety Diagnosis of Major Projects, Guangzhou 510070, China; 4. Geological Exploration Technology Institute of Jiangsu Province, Nanjing 210008, China
关键词:
地球物理勘探 水域浅层地震勘探 地震反射法 城市活断层探测 南坑—虎门断裂
Keywords:
geophysical exploration shallow marine water seismic survey urban active fault detection seismic reflection method Nankeng-Humen fault
分类号:
P315.24
文献标志码:
A
摘要:
为探明南坑—虎门断裂在东莞地区部分水域中的展布情况,采用小道距、高频率水域地震反射法,针对不同的观测系统与采集参数等进行试验。所获得的地震时间剖面揭示出的基岩反射界面连续完整,第四系地层内未发现明显错断。而测线Ⅲ所在的地震时间剖面上所解释的f3断点两侧基岩高差为8m,上断点埋深为83m。综上分析推测南坑—虎门断裂第四纪以来没有明显的活动迹象。同时,所获得的研究成果可为东莞地区乃至珠三角地区水域浅层地震勘探探测活断层提供参考和借鉴。
Abstract:
In order to detect the distribution of Nankeng-Humen fracture in some part of the water area in Dongguan, we conduct a test on the different observation systems and acquisition parameters by small group interval and high frequency shallow marine seismic exploration. The acquired earthquake time section indicates that the bedrock reflection interface is continuous and complete, without obvious fault feature in the quaternary strata, while earthquake time section on Line Ⅲ shows that the bedrock elevation difference between both sides of the breakpoint f3 is 8 m and the cover depth of the upper breakpoint is 83 m. To sum up, it’s estimated that there have been no obvious signs of activity in Nankeng-Humen Fault since the quaternary period, and the research results will serve as a reference for shallow marine water seismic survey in active faults in Dongguan and even in the Pearl River Delta.

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备注/Memo

备注/Memo:
收稿日期:2018-03-20 作者简介:盛强(1984—),男,硕士,工程师,主要从事地震地质、工程地震研究。
更新日期/Last Update: 2018-08-30