21. "All these effects of infrasound do not really exist, " he says. 22. Smaller-scale explosions penetrating the tropopause generate waves of higher frequency, classified as infrasound . 23. By electromagnetic radiation I mean all of it's subcategories from gamma rays to infrasound . 24. Vibrational cues are also thought to aid their navigation by use of external sources of infrasound . 25. The infrasound sensor network, talk ) 19 : 27, 2 March 2013 ( UTC) 26. Infrasound was detected by three stations of the Comprehensive Nuclear-Test-Ban Treaty Organization.27. The papers claim high-power infrasound could leave troops " incapacitated by nausea ." 28. Infrasound is characterized by an ability to cover long distances and get around obstacles with little dissipation.29. The loudest infrasound recorded to date by the monitoring system was generated by the 2013 Chelyabinsk meteor. 30. Individuals left prior to the arrival of the storm, perhaps after detecting it due to infrasound .