Security camera video showing the impact of the largest piece of the Chelyabinsk meteorite striking Lake Chebarkul during the Feb. 15, 2013 Russian fireball.
(video link) Meteor fireball seen from Kamensk-Uralsky where it was still dawn, in an oblast north of Chelyabinsk. The meteor exploded over Chelyabinsk, Russia.
The bulk strength of the Chelyabinsk asteroid, at about 1 megapascal, was similar to that of smaller meteoroids and corresponds to a heavily fractured single stone.
Atmospheric physicist Nick Gorkavyi missed witnessing an event of the century last winter when a meteor exploded over his hometown of Chelyabinsk, Russia.