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Koji Masuda, Takashi Arai, Koichiro Fujimoto, Miki Takahashi and Norio Shigematsu Effect of water on weakening preceding rupture of laboratory-scale faults: Implications for long-term weakening of crustal faults Geophysical Research Letters 39

Version of Record online: 11 JAN 2012 | DOI: 10.1029/2011GL050493

Key Points

  • Frictional strength of wet rocks decreased as temperature increased
  • Long-term weakening of faults is caused by microfracturing at asperity contacts
  • The presence of fluids has an important influence on changes of fault strength

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