Post : CTBTO Infrasound Stations Detect Russian Meteorite Blast URL : http://newsroom.ctbto.org/2013/02/15/ctbto-infrasound-stations-detect-russian-meteorite-blast/ Posted : February 15, 2013 at 18:55 Author : ctbtonewsroom Categories : Verification regime
As many as 11 infrasound stations in the CTBTO’s International Monitoring system recorded the infrasonic waves from the meteorite that broke up over Russia’s Ural mountains early this morning. The low frequency sound waves from the blast were detected at 3:22 GMT on 15 February 2013 by the network designed to track atomic blasts across the planet. People cannot hear the low frequency waves emitted by the explosion but they were recorded by the CTBTO’s network of sensors as they travelled across continents.
The CTBTO’s infrasound station at Qaannaaq, Greenland -- featured in this video (http://www.youtube.com/watch?v=NNBB9ygLzbU&list=PL780AED1ACA175D02&index=3) -- was among those that recorded the explosion. There are currently 45 infrasound stations in the CTBTO’s network that measures micropressure changes in the atmosphere generated by infrasonic waves. Infrasound is one of four technologies used in the CTBTO’s network of sensors to monitor the globe for violations of the Comprehensive Nuclear-Test-Ban Treaty that bans all nuclear explosions. Atomic explosions produce distinctive, low frequency sound waves that can travel across continents. View animation (http://www.youtube.com/watch?v=GVWOA5pZG6o&list=PLF85FBD7DB54DD0B1&index=3) .
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