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地震 ›› 2005, Vol. 25 ›› Issue (3): 95-101.

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1950年以来中国大陆5级以上地震原地(区)连发地震组的空间特征及意义

任雪梅1,2, 马禾青2, 盛菊琴2, 赵知军2, 刘秀景2   

  1. 1.中国地震局兰州地震研究所, 甘肃 兰州 730000;
    2.宁夏回族自治区地震局, 宁夏 银川 750001
  • 收稿日期:2004-12-10 修回日期:2005-03-21 出版日期:2005-07-31 发布日期:2021-11-10
  • 作者简介:任雪梅(1968-), 女, 四川崇州人, 副研究员, 2002年在读硕士研究生, 主要从事地震活动性、 地震预报等研究。

The spatial feature and significance of the in situ continuously occurred earthquakes with M35.0 in China′s mainland since 1950

REN Xue-mei1, MA He-qing2, SHENG Ju-qin2, ZHAO Zhi-jun2, LIU Xiu-jing2   

  1. 1. Lanzhou Institute of Seismology, CEA, Lanzhou 730000;
    2. Earthquake Administration of Ningxia Hui Autonomous Region, Yinchuan 750001, China
  • Received:2004-12-10 Revised:2005-03-21 Online:2005-07-31 Published:2021-11-10

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摘要： 通过对1950年以来中国大陆5级以上原地(区)连发地震组的空间特征研究, 发现各个时期的原地(区)连发地震组具有填充的特征, 各个时期都存在主体活动区域, 并且与7级地震活动关系密切。 依据以上特征, 可对今后中国大陆发生7级以上地震和5级以上原地(区)连发地震组的发震区域提供判定参考, 在地震活动性分析上也是一种新的尝试, 有待于时间的检验。

关键词: 中国大陆, 原地(区)连发, 地震组, 空间特征

Abstract: Through studying spatial feature of the in-situ continuously occurred M≥5.0 earthquakes in China's mainland since 1950, we have found that there is property of filling in gap of group earthquakes in situ for each periods, and there are areas of main activity in each period and there is close relation between the in situ continuously occurred M≥5.0 earthquake and the M≥7.0 earthquakes. Based on the characteristics, we can provide reference for determining areas of M≥7.0 earthquakes and the in situ continuously occurred earthquakes with M≥5.0 in China′s mainland in the future. It is a new attempt in seismicity analysis, and needs time to be verified.

Key words: China′s mainland, In situ continuously occurrence, Group earthquakes, Spatial feature

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