Could a lake have been produced by the Tunguska object ?

Could a lake have been produced by the Tunguska object ?

http://astronomynow.com/080630Tunguska.html

Surprise findings in Chesapeake Bay, Maryland meteor crater

 Meteor craters have punctured the earth for billions of years. Lately findings  regarding the Chesapeake Bay, Maryland meteor  crater show surprising results.

http://www.baltimoresun.com/news/local/bal-md.crater27jun27,0,1713410,print.story