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Table 2 Properties of the three fault zones where temperature observations were performed

From: Frictional heating in a thick fault zone with empirical slip-weakening friction: implications for slip parameter estimation from temperature observations in deep fault drilling

Drilling site 2l [m] α [m2 s−1] t [year] ts [s] \(l/2\sqrt {\alpha \left( {t - t_{{\text{s}}} } \right)}\) ts/t
Chelungpu faulta \(2\times {10}^{-2}\) \(5.0\times {10}^{-7}\) \(\ge 6\) \(6\) \(\le 5.1\times {10}^{-4}\) \(\le 3.2\times {10}^{-8}\)
Japan Trenchb \(3.9\times {10}^{-7}\) \(\ge 1.5\) \(50\) \(\le 1.1\times {10}^{-6}\)
Wenchuan faultc \(1\times {10}^{-2}\) \(1.5\times {10}^{-6}\) \(\ge 1.3\) \(125\) \(\le 3.2\times {10}^{-4}\) \(\le 3.1\times {10}^{-6}\)
  1. \(2l\), fault zone thickness; \(\alpha\), thermal diffusivity; \(t\), time elapsed after event; \({t}_{\mathrm{s}}\), slip duration
  2. aFrom Ma et al. (2003, 2006), Hirono and Hamada (2010), Kano et al. (2006)
  3. bFrom Fulton et al. (2013)
  4. cFrom Li et al. (2013, 2015), Yagi et al. (2012)