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

Fig. 2

From: Temporal changes in the distinct scattered wave packets associated with earthquake swarm activity beneath the Moriyoshi-zan volcano, northeastern Japan

Fig. 2

An example of DSW (distinct scattered wave packets). a Location of the epicenter (yellow star) and stations (inverted triangles). Red circles and black triangle denote the epicenter of earthquakes and the location of the Moriyoshi-zan volcano, respectively. b–d Three-component band-pass filtered (8–32 Hz) seismograms from the earthquake (November 9, 2012, 03:46:37 JST (UT + 9), M2.7) observed at the stations shown in a. HR.MAS1 is one of the component stations of the array. The amplitude is normalized to the maximum among the three components. DSW appears in the black rectangles

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