[gleeaikin]

So you are not referring to the 50 k Barringer Meteor Crater. Where is the one that is 5 to 13 k? Does it have a name?

[DBrow]

See my #56 this thread.

[Drammach]

Here's a link to some info on this new theory.

http://news.bbc.co.uk/2/hi/science/nature/7130014.stm

You will see a reference to 34,000 years ago at the beginning of the article.
Ignore that date, as the 13,000 year references are made farther down.