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  • 标题:Model of clustering of earthquakes
  • 本地全文:下载
  • 作者:G. I. Barenblatt ; V. I. Keilis-Borok ; M. M. Vishik
  • 期刊名称:Proceedings of the National Academy of Sciences
  • 印刷版ISSN:0027-8424
  • 电子版ISSN:1091-6490
  • 出版年度:1981
  • 卷号:78
  • 期号:9
  • 页码:5284-5287
  • DOI:10.1073/pnas.78.9.5284
  • 语种:English
  • 出版社:The National Academy of Sciences of the United States of America
  • 摘要:A two-dimensional model of the expansion of a crack in an elastic medium is considered in which friction depends on the slip rate and the modulus of cohesion depends on the speed of expansion of the crack. Elastic waves are neglected (quasi-static model). Under some conditions, the expansion of the crack is realized by the alternation of slow and fast episodes ("shocks") of slip. This offers a possible qualitative explanation of several forms of earthquake clustering, including clustering that is premonitory to strong earthquakes.
  • 关键词:earthquake prediction ; crack propagation ; cohesion ; dynamical friction
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