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Earth, Planets and Space
Figure 11 | Earth, Planets and Space

Figure 11

From: Seismic activity near the Moriyoshi-zan volcano in Akita Prefecture, northeastern Japan: implications for geofluid migration and a midcrustal geofluid reservoir

Figure 11

Bandpass-filtered RMS envelopes. (a) Envelopes at array station HR.MAS1 for events in cluster A. The center frequencies of the filter are 4, 8, and 16 Hz. Blue and red curves represent individual and average envelopes. The labels P, S, and X mark P-, S-, and scattered waves, respectively. (b) Residual envelopes are for the same stations and events as (a). Residuals were calculated by subtracting the theoretical envelope from the original. Blue and red curves represent individual and average envelopes, respectively.

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