ANOMALOUS SEISMO-ACOUSTIC WAVE PROPAGATION AND DETERMINATION SOURCE OF INFRASOUND

Authors

  • Bayarsaikhan Ch RCAG-MAS, P.O.Box-152, Ulaanbaatar-51, 13343, Mongolia
  • Tungalag L RCAG-MAS, P.O.Box-152, Ulaanbaatar-51, 13343, Mongolia
  • Lkhagvajav Ch Physics and Electronics School and National University of Mongolia
  • Alexis Le Pichon CEA/DASE-LDG, BP-12, 91680, Bruyeres-Le-Chatel, France

DOI:

https://doi.org/10.5564/pmas.v52i4.871

Keywords:

Seismo-acoustic, microbaroms, explosion, quarry blast, network

Abstract

The network of infrasound stations (I34MN) in Mongolia daily registers set of infrasound from various sources besides explosions. The data from explosions in mines in region and from other sources detected since 2000 to 2009 in seismic and infrasound stations is analyzed. The analysis these signals dependence of speed distribution of sound from seasonal, wind forces and direction moreover on short distances. From detected in infrasound stations (I34MN) in year 80-90 % of signals make microbaroms, the wide range of their sources is visible from the frequency analysis. From the general analysis registered seismo and acoustic signals of explosions on the seismic and infrasound networks stations miscalculate not only speeds of distribution of sounds on close distances (50-500 km),  and also the speed model of atmosphere is made.

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Published

2017-08-15

How to Cite

Ch, B., L, T., Ch, L., & Pichon, A. L. (2017). ANOMALOUS SEISMO-ACOUSTIC WAVE PROPAGATION AND DETERMINATION SOURCE OF INFRASOUND. Proceedings of the Mongolian Academy of Sciences, 52(4), 29–35. https://doi.org/10.5564/pmas.v52i4.871

Issue

Vol. 52 No 04(204) 2012

Section

Articles

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