| Grouping occurrences being the fundamental feature of the strong earthquakes in Chinese mainland |
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| 引用本文： | 李钦祖,于利民,王吉易,万迪 ,陈绍绪.Grouping occurrences being the fundamental feature of the strong earthquakes in Chinese mainland[J].地震学报(英文版),1994,7(1):15-22. |
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| 作者姓名： | 李钦祖 于利民 王吉易 万迪 陈绍绪 |
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| 作者单位： | Seismological Bureau of Hebei Province，Shijiazhuang 050021，China |
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| 摘 要： | ＧｒｏｕｐｉｎｇｏｃｃｕｒｒｅｎｃｅｓｂｅｉｎｇｔｈｅｆｕｎｄａｍｅｎｔａｌｆｅａｔｕｒｅｏｆｔｈｅｓｔｒｏｎｇｅａｒｔｈｑｕａｋｅｓｉｎＣｈｉｎｅｓｅｍａｉｎｌａｎｄＱｉｎ－ＺｕＬＩ（李钦祖）；Ｌｉ－ＭｉｎＹＵ（于利民）；Ｊｉ－ＹｉＷＡＮＧ（王吉易...
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| 收稿时间： | 16 January 1993 |
| 修稿时间： | 7 May 1993 |
Grouping occurrences being the fundamental feature of the strong earthquakes in Chinese mainland |
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| Qin-Zu LI,Li-Min YU,Ji-Yi WANG,Di-Kun WAN and Shao-Xu CHEN.Grouping occurrences being the fundamental feature of the strong earthquakes in Chinese mainland[J].Acta Seismologica Sinica(English Edition),1994,7(1):15-22. |
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| Authors: | Qin-Zu LI Li-Min YU Ji-Yi WANG Di-Kun WAN and Shao-Xu CHEN |
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| Institution: | (1) Seismological Bureau of Hebei Province, 050021 Shijiazhuang, China |
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| Abstract: | The temporal and spatial distributions of all the 259M⩾6 earthquakes of eastern Chinese mainland (λ⩾108° E) and its adjacent area and all the 153M⩾7 earthquakes of western Chinese mainland (λ<108°E) and its adjacent area up to 1991 were analyzed systematically. These
earthquakes are called as strong earthquakes and those of the east before and after 1600, and those of the west before and
after 1900, are called respectively as former ones and latter ones. Most of these events were divided into 45 sets of which
the each relatively concentrated in both time and space and took the form of group. In the grouping form, the probability
of occurrence of a strong earthquake higher than the average appeared simultaneously in time and space. The grouping occurrences
of the strong earthquakes of Chinese mainland has been determined as a fundamental feature of the seismicity.
This project was sponsored by the Chinese Joint Seismological Science Foundation under Contract No. 90-238 |
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| Keywords: | Chinese mainland strong earthquakes earthquake set grouping occurrence |
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