Resonance properties of magmatic structures |
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| Authors: | Sobisevich A. L. Rudenko O. V. |
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| Affiliation: | 1.Schmidt Joint Institute of Physics of the Earth,Russian Academy of Sciences,Moscow,Russia;2.Physical Faculty,Moscow State University,Vorob’evy gory, Moscow,Russia |
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| Abstract: | The observation of quasi-harmonic spectral components in the response of volcanic structures to distant seismic events is reported. The resonance frequencies are associated with the presence of a magma center and a magma chamber that contain gas cavities or bubbles. The presence of the region with a reduced density in the vicinity of the Elbrus volcano is confirmed by independent gravimetric measurements and by the results of analyzing the geological data. |
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