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地震 ›› 2003, Vol. 23 ›› Issue (1): 15-22.

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昆仑山口西8. 1级地震的地震活动特征

宋治平1, 薛艳2, 梅世蓉2, 宋先月1   

  1. 1.上海市地震局, 上海 200062;
    2.中国地震局分析预报中心, 北京 100036
  • 收稿日期:2002-01-14 修回日期:2002-03-30 出版日期:2003-01-31 发布日期:2021-12-21
  • 作者简介:宋治平( 1966-), 男, 云南永善人, 研究员, 1996年获博士学位, 主要从事地震预报研究。
  • 基金资助:
    地震科学联合基金资助项目( 101105)

Seismic characteristics before the M8. 1 earthquake in the West to the pass of the Kunlun Mountain

SONG Zhi-ping1, XUE Yan2, MEIShi-rong2, SONG Xian-yue1   

  1. 1. Seismological Bureau of Shanghai Municipality, Sh anghai 200062, China;
    2. Center for Analysis and Prediction, CSB, Beijing 100036, China
  • Received:2002-01-14 Revised:2002-03-30 Online:2003-01-31 Published:2021-12-21

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摘要： 在回顾昆仑山口西8. 1级地震前的长期、中期的不同阶段不同程度的预测意见基础上,对该次地震前的地震活动进行了分析。结果表明, 该次巨大地震前存在地震条带、地震空区、地震活动增强区、象限性等空间异常及地震活动参数异常, 这些特征对巨大地震的研究与预测具有重要的参考作用。

关键词: 昆仑山口西地震, 巨大地震, 地震活动, 象限性

Abstract: In this paper, based on discussing the prediction results of different stages of long and middleterm before the M8. 1 earthquake in the West to the pass of the Kunlun Mountain, the authors studied the seismic characteristics before this earthquake. The results show that there were many spatial anomalies such as earthquake band, earthquake gap, seismically strengthening area and quadrant, as well as some time-dependent seismic parameters′anomalies before this great earthquake. These characteristics may be of a certain reference significance for the study and prediction of great earthquakes.

Key words: Earthquake in the West to the pass of the Kunlun Mountain, Great earthquake, Seismicity, Quadrant

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