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地震 ›› 2001, Vol. 21 ›› Issue (1): 25-32.

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地形变强震前兆指标探讨*

薄万举, 华彩虹   

  1. 中国地震局第一地形变监测中心,天津 300180
  • 出版日期:2001-01-31 发布日期:2022-10-27
  • 作者简介:薄万举(1957-),男,天津宝坻人,研究员,主要从事大地测量、形变分析、地震预报等研究。
  • 基金资助:
    中国地震局“九五”科研攻关项目(96-913-01-01-06);地震科学联合基金项目(9507435)

Exploration of the index of crustal deformation precursor of strong earthquakes

BO Wan-ju, HUA Cai-hong   

  1. First Crustal Deformation Monitoring Center, CSB, Tian jin 300180, China
  • Online:2001-01-31 Published:2022-10-27

摘要: 在多年形变前兆研究基础上,对形变应变前兆的复杂性进行了讨论,并对典型的形变应变短临前兆实例进行了总结,找出其共性。以描述其共性特征为目标,给出了异常指标K 的计算模型,似可用该指标结合资料背景和实践经验进行综合分析,对某些6级以上强震作出中短或短临阶段的预报。

关键词: 形变, 短临前兆, 指标

Abstract: On the basis of the researches on crustal deforma tion precursors for years, the complexi ty of the precursors are discussed, and some of theirg enerali ty are fo und through the summari zation of typical crustal deforma tion and st rain precurso rs. Fordescribing the common character, the calculating model of index K of anomaly is given. By means of comprehensive analysis of the K index , backg ro und data and the practical experience, itis possible that prediction fo rsome strong earthquakes withmagni tude more than 6 can be made in sho rttermoreven in imminent stage.

Key words: Deformation, Short-term and imminent precursors, Index

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