In 1907 a large something from outer space destroyed thousands of acres of forest in Tunguska.Scientist for the last hundred years have been searching for a crator or remnants of space rock.
The age of this event has varied from 800 years ago to 200,000 years ago.
It all depends on what age determination method is used and what assumptions are made using the method.
The Hopi Indians who live in that area have legends about the meteor's impact.
The low activity of the carbon-14 limits age determinations to the order of 50,000 years by counting techniques." Some creationists seem to understand that rocks and minerals cannot be dated using the Carbon 14 technique.
This is a quote from the CMI website and it is accurate: "Obviously this only works for things which once contained carbon—it can’t be used to date rocks and minerals, for example.