Largest U.S. Crater
Country: United States
Date: June 2006
What is the largest crater hole in the U.S.?
Believe it or not, the Chesapeake Bay is an Impact
site and it's the biggest in the US (90 km in diameter
= 60 miles)!!!
Of course, it is covered by water.
If you are looking for one that is not, there is one in
Beaverhead, Montana that is 60 km in diameter (about 37
For a complete listing of craters, I recommend looking
at this web site:
Hope this helps.
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Update: June 2012