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Earth, Planets and Space
Fig. 14 | Earth, Planets and Space

Fig. 14

From: Analyzing the continuous volcanic tremors detected during the 2015 phreatic eruption of the Hakone volcano

Fig. 14

Relationship between the infrasonic and seismic RMS amplitudes as measured at OWD station. The seismic RMS amplitude was estimated using 1-s three-component velocity waveforms from immediately before the infrasonic onsets that occurred from 04:05 to 05:30 on July 1. The dashed horizontal line indicates the seismic RMS amplitude before the eruptive activity on 04:05:23 on July 1 (time period indicated by the blue line in Fig. 11a)

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