|Low friction and fault weakening revealed by rising sensitivity of tremor to tidal stress|Houston, H. (2015). Low friction and fault weakening revealed by rising sensitivity of tremor to tidal stress. Nature Geoscience 8(5): 409-415. hdl.handle.net/10.1038/ngeo2419
In: Nature Geoscience. Nature Publishing Group: London. ISSN 1752-0894; e-ISSN 1752-0908, meer
At subduction zones, deep parts of the fault can slip slowly, generating tremor. Analysis of tremor in Cascadia reveals increasing sensitivity of slip to tidal stresses over several days, implying that the fault is weak, and weakens as it slips.