On the possibility of a secondary explosion in the antipode of a large meteorite impact point

Details On the possibility of a secondary explosion in the antipode of a large meteorite impact point On the possibility of a secondary explosion in the antipode of a large meteorite impact point

Aug 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009sosyr..43..364k&link_type=abstract

Solar System Research, Volume 43, Issue 4, pp.364-369

Computer Science

Sound

Scientific paper

At large distances, due to atmospheric absorption and the dispersion of high-frequency components, the airwaves from the fall of large meteorites or heavy-yield explosions are transformed into an infrasonic wave train propagating over large distances via atmospheric sound channels. In approaching the antipode, the amplitude of infrasonic oscillations increases significantly and the nonlinear effects may trigger the formation of a blast wave, that is, another explosion. The condition which allows such a phenomenon to happen was obtained in this study. Infrasonic waves from the Tunguska fall event and waves generated by the largest nuclear explosions were considered in this study.

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