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Acoustic Methods for Evaluation of High Energy Explosions


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Two independent acoustic methods were used to verify the results of earlier explosion energy calculations of Chelyabinsk meteoroid. They are: estimations through a path length of infrasound wave and through maximum concentration of the wave energy. The energy of this explosion turned out the same as in earlier calculations, and it is close to 58 Mt of TNT. The first method, as well as evaluations through seismic signals and barograms, have confirmed the energy of Tunguska meteoroid explosion at 14.0 - 14.5 Mt level. Moreover, there is a good agreement between acoustic estimations and other data for the explosion energy of another meteoroid that was ended its flight over the southern part of Indian Ocean, and for two catastrophic volcanoes explosions - Bezymyanny and Krakatoa.

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