Infrasound waveform from Russian meteor
The Russian meteor blast send infrasound, or low-frequency sound waves, through the atmosphere.
Russian meteor infrasound locations
Eleven infrasound stations around the world recorded the meteor blast above Russian on Friday.
The fireball from a meteor that exploded over Chelyabinsk, Russia, on Feb. 15, 2013, creating a shockwave that shattered windows and injured more than 1,000 people. (Video screenshot)