Some speculate it could have been a bolide, which is a large, bright meteor, also known as a fireball meteor.
A bolide explodes on impact and can cause a large crater, according to the United State Geological Survey.
"There is no consensus on its definition, but we use it to mean an extraterrestrial body in the 1-10-km size range, which impacts the earth at velocities of literally faster than a speeding bullet (20-70 km/sec = Mach 7.5), explodes upon impact, and creates a large crater," according to the USGS Woods Hole Science Center.
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