| 以双差定位方法对郯城8(1/2)级地震震中附近现代小震重新定位 |
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| 引用本文： | 李永红,胡新亮,许萍,李亚军,周翠英,刁桂苓.以双差定位方法对郯城8(1/2)级地震震中附近现代小震重新定位[J].西北地震学报,2011,33(1):71-75,101. |
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| 作者姓名： | 李永红 胡新亮 许萍 李亚军 周翠英 刁桂苓 |
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| 作者单位： | 1. 山东省地震局,山东,济南,250014
2. 河北省地震局,河北,石家庄,050021 |
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| 摘 要： | 用双差定位方法对1668年郯城81/2级地震震中附近1974年以来400余个中、小地震重新进行定位.结果显示现代中、小地震震中分布仍集中于地震破裂带上,带状集中区与地质考察推测得到的发震断层安丘-莒县断裂的走向吻合.
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| 关 键 词： | 中小地震 双差定位法 郯城81/2级地震 安丘-莒县断裂 |
Relocation of Modern Small Earthquakes near the Epicenter of Tancheng 81/2 Earthquake Using the Double Difference Earthquake Location Algorithm |
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| LI?Yong-hong,HU?Xin-liang,XU?Ping,LI?Ya-jun,ZHOU?Cui-ying and DIAO?Gui-ling.Relocation of Modern Small Earthquakes near the Epicenter of Tancheng 81/2 Earthquake Using the Double Difference Earthquake Location Algorithm[J].Northwestern Seismological Journal,2011,33(1):71-75,101. |
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| Authors: | LI?Yong-hong HU?Xin-liang XU?Ping LI?Ya-jun ZHOU?Cui-ying and DIAO?Gui-ling |
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| Affiliation: | LI Yong-hong1,HU Xin-liang2,XU Ping1,LI Ya-jun1,ZHOU Cui-ying1,DIAO Gui-ling2(1.Earthquake Administration of Shandong Province,Jinan 250014,China,2.Earthquake Administration of Hebei Province,Shijiazhuang 050021,China) |
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| Abstract: | Using the double difference earthquake location algorithm,we relocate more than 400 moderate and small earthquakes near the epicenter of 1668 Tancheng 8(1/2) earthquake since 1974.The relocated result shows that the modern moderate and small earthquakes were still concentrated in the Tancheng earthquake rupture zone.The strike of the bandy concentrated zone accords with that of the generating Anqiu-Juxian fault speculated by geological surveying. |
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| Keywords: | Moderate and small earthquake Double difference earthquake location algorithm Tancheng 8(1/2) earthquake Anqiu-Juxian fault |
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