The European Space Agency shared video of the meteor in the early hours of Saturday morning, named #C8FF042 and around one metre in diameter, passing across the CN Tower.
The agency said it was only the sixth time in history that an asteroid warning noted the object before it made contact with the earth.
“A <1m object has struck (earth) in the skies above Niagara Falls, becoming a safe #fireball,” the European Space Agency said in a tweet.
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