It was first discovered in the 1930’s by pilot Francisco Sarabia when the instruments on his plane stopped working while flying overhead.The area has allegedly been a hotbed of meteoritic activity throughout history. The Allende meteorite crashed somewhere around the zone in 1969 after narrowly missing a Russian satellite and orbiting the Earth once.
An American Athena test missile strayed 400 miles south off course during a 1970 military exercise and mysteriously ended up being redirected to the zone of silence.Some say the magnetic force may create a vortex that draws mass from the upper atmosphere. The center of this vortex is called the "Vertice de Trino", an area rich in magnetite where dust can be picked up with a magnet.
The Mexican government built a research complex in the zone called the biosphere where they have been studying the area.The zone has been compared to the Bermuda triangle and regional inhabitants claim that unidentified objects often fall from the sky. There is also a claim that NASA had interest in setting up a scientific facility to study the zone.