The asteroid is made of stony material, and scientists believe it could cause an airburst—where a meteorite ... a par with the energy released in the Tunguska event of June 30, 1908.

Factoring in orbital uncertainties, there is a 1 in 83 chance of a collision - creating an airburst or a crater ... is about the same size as the Tunguska meteor. In 1908, a meteor exploded ...

However, there's another possibility: the asteroid may explode mid-air, causing an airburst similar to the 1908 Tunguska event in Siberia. This explosion would not require the asteroid to reach ...

creating a high-energy airburst similar to the Tunguska event in 1908, which flattened 2,000 square kilometers of Siberian forest. Surface impact: If the asteroid survives atmospheric entry ...