Fig.5. Correlation between the triggered tremor amplitude and the Coulomb failure stress change in the source region, as a function of the apparent friction coefficient ($\mu$). For southwest Japan, the cases of the 2003 Tokachi-oki earthquake and 2008 Wenchuan earthquake are shown. For the Cascadia region, the case of the 2002 Denali earthquake is shown, where the correlation is obtained by using the tremor and stress traces from Rubinstein \textit{et al.} (2007).
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