Yes, snicker and make merry. Never mind that 1908 Tuguska meteor impact event which leveled 60 square miles of Siberian forest, much less that chimera of a Younger Dryas impact event which wiped out almost all life in North America 13,000 years ago. Return to your homes, there is nothing to fear.
http://www-th.bo.infn.it/tunguska/
http://sites.google.com/site/dragonstormproject/
http://www.knowledge.co.uk/sis/resource.htm
Laugh-a-while you can, Monkey-Boy!!!!
In May of 1931 in the Brazilian rain forest, a bolide crashed. The subsequent fire destroyed over 20 miles square of forest (1300 sq. K). A local priest managed to persuade a jungle tribe not to kill themselves to appease the gods.