Chesapeake Bay impact crater
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The Chesapeake Bay impact crater is a buried impact crater, located beneath the mouth of Chesapeake Bay, United States. It was formed by a bolide that struck the eastern shore of North America about 35.5 ± 0.3 million years ago, in the late Eocene... Wikipedia
Coordinates: 37°17′N 76°1′W / 37.283°N 76.017°W
Location: Chesapeake Bay
Age: 35.5 ± 0.3 million
Diameter: 53 miles (85 km)