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Fig. 4 | Earth, Planets and Space

Fig. 4

From: Fully dynamic earthquake sequence simulation of a fault in a viscoelastic medium using a spectral boundary integral equation method: does interseismic stress relaxation promote aseismic transients?

Fig. 4

Spatiotemporal distribution of \(V\) in viscoelastic cases with different \(t_{c} /t_{\text{load}}\) values. a An elastic limit, identical to the case plotted in Fig. 3a. The system produces repeating earthquakes every approximately \(7.15\) years (\(= 3.38 t_{\text{load}}\)). b \(t_{c} /t_{\text{load}} = 1.7\). \(t_{c}\) is approximately one-half of \(t_{\text{rec}}\) in the elastic limit. Earthquakes repeat at a longer interval of \(20.6\) years (\(= 9.74 t_{\text{load}}\)) than in the elastic case. c \(t_{c} /t_{\text{load}} = 1.4.\) The central part of the rate-weakening patch is locked and no earthquake occurs during simulation

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