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Toronto, Nov 28 (EFE).- An investigation is being conducted to determine whether a meteorite caused the explosion in central Canada that was heard earlier this week by residents of numerous communities near Ottawa and Montreal, officials said.
The blast was followed by a bright flash in the sky around 8:00 p.m. Tuesday that was seen by people in both Canada and the northern United States.
Comments about the incident were posted on Twitter by people on both sides of the border.
Astronomers are trying to find evidence that the explosion was produced by a meteorite entering the atmosphere, Canadian media reported.
Police in Quebec received numerous calls about the blast, but no damage was reported, officials said.
A NASA study released in early November concluded that the danger of meteorites hitting the Earth is five times greater than previously estimated.
The study was prepared in response to the meteorite explosion on Feb. 15 over a sparsely populated region of Russia's Ural Mountains that injured about 1,600 people.
The rare event occurred just hours before an asteroid was due to pass Earth at a distance of just 27,000 kilometers (16,800 miles).
The meteorite streaked across the sky some 80 kilometers (50 miles) from the town of Satka and broke up. The shockwave from the explosion affected several adjacent regions and even parts of the neighboring Central Asian country of Kazakhstan.