NASA experts have said an asteroid impact could wipe out a city the size of Los Angeles. The American space agency recently held an “emergency” summit to explore the apocalyptic risk posed by doomsday space rocks.

Paul Chodas, leader of NASA’s Center for Near Earth Object Studies, issued a terrifying warning about the destructive potential of asteroids during an interview with Motherboard. He said:

“The air burst is the main hazard if it hit anywhere near land, which in this case would be equivalent to a 50 megaton explosion which would cause a large shock wave. “It would be devastating for a region with a 40-50 kilometre radius around the impact point.” READ MORE