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Earth, Planets and Space
Fig. 2 | Earth, Planets and Space

Fig. 2

From: Scattering strength at active volcanoes in Japan as inferred from the peak ratio analysis of teleseismic P waves

Fig. 2

The distribution of peak amplitude ratio calculated for the JMA volcanic seismometer network averaged for each volcano. Shown are ratios at the 2–4 Hz frequency band for volcanoes across different regions: a Tohoku b Hokkaido c Kyushu d Kanto-Chubu. Hokkaido shows stretches of larger peak ratios whereas Tohoku correspondingly has lower ratios. Kanto-Chubu and Kyushu are somewhere in between, showing a mixture of large and small peak ratios. The colour scheme used mimics the one from Nishimura (2012)

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