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Fig. 1 | Earth, Planets and Space

Fig. 1

From: Spatiotemporal evolution of tremor activity near the Nankai Trough trench axis inferred from the spatial distribution of seismic amplitudes

Fig. 1

a Regional (bottom) and location (top) maps of the study area and the distribution of DONET seismic stations (white inverted triangles). White rectangle shows the region of our grid search. Topography is from the ETOPO1 model (NOAA National Centers for Environmental Information 2009) and plate boundaries are from Bird (2003). b Depth-dependent 1-D S-wave velocity (left) and attenuation (right) structures used in this study

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