Figure 4From: A trial derivation of seismic plate coupling by focusing on the activity of shallow slow earthquakes3-D view of common logarithm of slip velocity field normalized by V pl on subduction plate boundary. (a, c) Interseismic [70 and 50Â years before the onset of a megathrust earthquake with the (a, b) SCM and (c, d) WCM, respectively] and (b, d) preseismic (10Â years before the onset) stages.Back to article page