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1984: A DOUGHNUT-SHAPED PATTERN OF SEISMIC ACTIVITY AND ITS FORMATIVE PROCESS PRECEDING THE TANG- SHAN EARTHQUAKE OF 1976. Acta Seismologica Sinica, 6(3): 264-270.
Citation: 1984: A DOUGHNUT-SHAPED PATTERN OF SEISMIC ACTIVITY AND ITS FORMATIVE PROCESS PRECEDING THE TANG- SHAN EARTHQUAKE OF 1976. Acta Seismologica Sinica, 6(3): 264-270.
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A DOUGHNUT-SHAPED PATTERN OF SEISMIC ACTIVITY AND ITS FORMATIVE PROCESS PRECEDING THE TANG- SHAN EARTHQUAKE OF 1976

  • Analysis and Prediction Center, State Seistnological Bureau

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  • Published Date: August 31, 2011
    Graphical Abstract
    • Abstract
  • The spatial-temporal variation of seismicity in the wide region surrounding the epicentre of the 1976 Tangshan earthquake (Ms=7.8) was examined. It has been pointed out that the pattern described as a seismicity gap or a doughnut-shaped pattern preceding the main shock is practically a partial manifestation for the whole pattern composed of seismically quiet epicentral area and three seismicity bands in the surrounding region, that the stress concentration toward the margin of the quiet area and the increase of seismicity are caused by the movement on the fractured zone. Finally, the mechanical process of the formation of the seismic pattern is explained by using the model of inhomogenuity of intensity and stress distribution along the fault zone.
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    • References (1)
  • [1] 刘蒲雄、黄德瑜、王立平、王志东、郑大林、冯浩,大震孕育过程的地震活动图象,国际地震预报讨论会论文集(一九八二年九月,北京),地震出版社,待发表.

    [2] 刘蒲雄,强震前地震活动增强特征,地震,2, 1982.

    [3] 罗焕炎,京津唐渤及其邻近地区现代构造应力场与地震关系的数字模拟,华北断块区的形成与发展,料学出版社,1980,

    [4] 梅世蓉等,一九七六年唐山地震,地震出版社,1982.

    [5] 黄德瑜,唐山大震前的地震空区和地震环,地震,6, 1981.

    [6] 陆远忠、沈建文、宋俊高,地震空区与"逼近地震",地震学报,4, 4,1982,

    [7] Mogi, K., Laboratory study of elastic shocks prior to rock failure, EOS, 50,5, 1969.

    [8] 华祥文,唐山强震前后北京、天津周围地区应力的变化过程,地震学报,2, 2,1980,

    [9] 刁桂菩、于新昌,唐山地震前后京津唐张地区的综合断层面解,西北地震学报,2, 3,1980,

    [10] 马瑾、张渤涛、袁淑荣,唐山地震与地震危险区,地震地质,2, 2,1980,

    [11] 宇津德治,地震予知の简题点——總說と二、三の話题,地震予知研究シンホヅウム,1980.

    [12] 金森博雄,地震活勤と地震予知——南カソフ方ルニの例,地震予知研究シンホジウム,1980,

    [13] 陈章立、刘蒲雄、黄德瑜、郑大林、薛峰、王志东,大震前区域地震活动性特征,国际地震预报讨论会论文选(一九七九年四月,巴黎),地震出版社,1981.

    [1] 刘蒲雄、黄德瑜、王立平、王志东、郑大林、冯浩,大震孕育过程的地震活动图象,国际地震预报讨论会论文集(一九八二年九月,北京),地震出版社,待发表.

    [2] 刘蒲雄,强震前地震活动增强特征,地震,2, 1982.

    [3] 罗焕炎,京津唐渤及其邻近地区现代构造应力场与地震关系的数字模拟,华北断块区的形成与发展,料学出版社,1980,

    [4] 梅世蓉等,一九七六年唐山地震,地震出版社,1982.

    [5] 黄德瑜,唐山大震前的地震空区和地震环,地震,6, 1981.

    [6] 陆远忠、沈建文、宋俊高,地震空区与"逼近地震",地震学报,4, 4,1982,

    [7] Mogi, K., Laboratory study of elastic shocks prior to rock failure, EOS, 50,5, 1969.

    [8] 华祥文,唐山强震前后北京、天津周围地区应力的变化过程,地震学报,2, 2,1980,

    [9] 刁桂菩、于新昌,唐山地震前后京津唐张地区的综合断层面解,西北地震学报,2, 3,1980,

    [10] 马瑾、张渤涛、袁淑荣,唐山地震与地震危险区,地震地质,2, 2,1980,

    [11] 宇津德治,地震予知の简题点——總說と二、三の話题,地震予知研究シンホヅウム,1980.

    [12] 金森博雄,地震活勤と地震予知——南カソフ方ルニの例,地震予知研究シンホジウム,1980,

    [13] 陈章立、刘蒲雄、黄德瑜、郑大林、薛峰、王志东,大震前区域地震活动性特征,国际地震预报讨论会论文选(一九七九年四月,巴黎),地震出版社,1981.
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