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Earth, Planets and Space
Figure 7 | Earth, Planets and Space

Figure 7

From: Active monitoring at an active volcano: amplitude-distance dependence of ACROSS at Sakurajima Volcano, Japan

Figure 7

Seismograms that are aligned according to the distance for the explosion shot 2. The epicenter distance from the shot point is labeled on the right. Traces on Sakurajima Island are shown by blue lines before the first arrivals; those off it are shown by black lines. The traces drawn in gray color are not used in the analysis because of data clipping, noisy records, or failures. The first 10 s from the first arrivals is used for the analysis, which is shown in bright red.

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