Figure 5From: Crustal structure in the northwestern part of the Izu collision zone in central JapanComparison of observed seismic records and calculated travel times (black lines), and their ray diagrams. (a) SP2. A 10- to 20-Hz band-pass filter is applied. (b) Ray diagram for SP2. (c) SP4. A 10- to 20-Hz band-pass filter and a 3-s automatic gain control (AGC) are applied. (d) Ray diagram for SP4. (e) SP5. A 10- to 20-Hz band-pass filter is applied. (f) Ray diagram for SP5.Back to article page