Figure 2.
Z–Z component cross-correlation waveforms. One waveform is retained at every 0.5 km. (a), (b) and (c) are stations 10 471, 06 050 and 06 256, respectively. Red lines mark the apparent velocity of the Rayleigh-wave propagation at a reference velocity of 3.0 km s−1. These representative stations are denoted as red triangles in Fig. 1.
