Fig. 13From: “N”-shaped Y/X coda spectral ratio observed for in-line-type OBS networks; S-net and ETMC: interpretation based on natural vibration of pressure vesselPlot of peak (fp) versus notch (fn) frequencies observed for S-net (black circles) and ETMC (red circles) stations with D1max > 1.5D2max. The dotted red circles are the peak and notch frequencies of ETMC stations divided by 1.6Back to article page