E3S Web Conf.
Volume 127, 2019X Anniversary International Conference “Solar-Terrestrial Relations and Physics of Earthquake Precursors”
|Number of page(s)||6|
|Section||Physics of Earthquake Precursors|
|Published online||05 November 2019|
Observation of the seismic mode «drumbeats» on volcanoes of the world and Kizimen volcano (Russia)
Kamchatka Branch of Federal Research Center of the United Geophysical Survey, Russian Academy of Sciences, Petropavlovsk-Kamchatsky
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The squeezing of viscous lava flows or blocks on an extrusive dome during eruptions of andesitic and dacitic volcanoes is accompanied by volcanic earthquakes the seismic mode «drumbeats». The features of this mode are the quasi-periodicity of the volcanic earthquakes appearance for a long time, uniform waveforms and close VE magnitudes. This mode shows surprisingly the equilibrium behavior of a volcanic eruption.
© The Authors, published by EDP Sciences, 2019
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