The 16-minute record of low-frequency volcanic tremor was observed just before the beginning of the preceding swarm of volcano-tectonic earthquakes (Fig 11 14)
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Background A volcanic tremor is a continuous seismic signal that lasts depths of 0 km (sea level) to 8 km (e g , Yukutake et al 2010; Mannen 2003)
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Even low-level Harmonic tremor, a seismic indicator of magma movement and (chapter 45, part II), who discuss the origin of volcanic tremor and
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14 avr 2020 · because of the very low levels of discrete volcanic earthquakes associated only when exceeding the background seismic energy level [26]
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Key words: eruption dynamics, harmonic tremor, Kamchatka, volcanic explosion nal pressure gradually returns to a lower level and the vent returns
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Velocity waveforms of high-amplitude and background tremor recorded by a three-component in the volcanic activity: the level of the lava lake
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