| 中国华北地区地震大形势分析 |
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| 引用本文： | 陈荣华,李志海.中国华北地区地震大形势分析[J].内陆地震,2011(4):307-310. |
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| 作者姓名： | 陈荣华 李志海 |
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| 作者单位： | [1]中国地震台网中心,北京100036 [2]新疆维吾尔自治区地震局,新疆乌鲁木齐830011 |
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| 摘 要： | 比较了华北地区第3地震活动期和第4地震活动期地震活动时间进程特点,对华北地区中小地震G-R关系,青藏块体8级地震和华北地区7级地震的关系,日本海沟欧亚板块一侧8级地震和华北地区7级地震的关系以及郯庐带地震活动周期等方面进行了分析,认为华北地区未来3年甚至未来10年地震活动水平为6级,发生7级地震的可能性不大。
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| 关 键 词： | 华北地区 地震活动强度 地震活动期 G-R关系 日本海沟 青藏块体 |
STRONG EARTHQUAKE SITUATION ANALYSIS OF NORTH CHINA AREA IN CHINA |
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| CHEN Rong-hua,LI Zhi-hai.STRONG EARTHQUAKE SITUATION ANALYSIS OF NORTH CHINA AREA IN CHINA[J].Inland Earthquake,2011(4):307-310. |
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| Authors: | CHEN Rong-hua LI Zhi-hai |
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| Institution: | 1. China Earthquake Networks Center,Beijing 100036, China; 2. Earthquake Administration of Xinjiang Uygur Autonomous Region, Urumqi 830011, Xinjiang, China ) |
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| Abstract: | The contrast of seismicity time process characteristics of No. 3 and No. 4 seismicity period in North China area is conducted. The authors analyzed the mid-small earthquakes G-R relation in North China area, the relationship between the M8 earthquakes in Qinghai-Tibet block , M8 on the Eurasian plate side of Japan Trench and M7 earthquakes in North China area, and the seismicity period in Tanlu belt. The result showed the seismicity level is M6 in future 3 years,even 10 years,and there is no possiblity to occur M7 earthquake. |
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| Keywords: | North China area Seismicity strength Seismicity period G-R relation Japan trench Qinghai-Tibet block |
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