| 珠江口断裂的活动性与区域稳定性分析 |
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| 引用本文： | 陆成斌,詹文欢,刘以宣.珠江口断裂的活动性与区域稳定性分析[J].热带海洋学报,1991(1). |
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| 作者姓名： | 陆成斌 詹文欢 刘以宣 |
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| 作者单位： | 中国科学院南海海洋研究所 广州510301
(陆成斌，詹文欢)，中国科学院南海海洋研究所 广州510301(刘以宣) |
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| 摘 要： | 珠江口及邻域断裂构造有两种类型,沿岸中生代活动陆缘形成的NNE向压剪性断裂系,挽近活动较弱;珠江口新生代陆缘扩张形成的NEE向张剪性断裂系,挽近活动较强。珠江口潜在的地震危险性主要来自NEE向滨海断裂带,潜在震源区(≤6.5级)大致位于担杆列岛附近海域。珠海、深圳经济特区及邻近沿海是属于相对较稳定的地区。
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| 关 键 词： | 珠江口 断裂活动性 区域稳定性 |
ANALYSES ON FAULT ACTIVITY AND REGIONAL STABILITY IN THE PEARL RIVER MOUTH |
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| Lu Chengbin Zhan Wenhuan Liu Yixuan.ANALYSES ON FAULT ACTIVITY AND REGIONAL STABILITY IN THE PEARL RIVER MOUTH[J].Journal of Tropical Oceanography,1991(1). |
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| Authors: | Lu Chengbin Zhan Wenhuan Liu Yixuan |
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| Abstract: | Two type fault structures of NNE-NE coastal faults and NW faults formed by compression in the continental margin during Mesozoic exist in the Pearl River Mouth and environs. Earthquakes with Mor = 7 occurred in history. The activity is getting stronger in present. The potential earthquake hazard in Pearl River Mouth comes mainly from the intersections of NEE offshore faults and NW fault of the Pearl River Mouth, and from those of NEE and NNE faults. The potential earthquake hazard area is approximately located in the Waters of Dangan Isles which belong to the potential earthquake zone with M
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| Keywords: | Pearl River Mouth fault activities regional stability |
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