Search results
Results From The WOW.Com Content Network
This list includes all 60 confirmed impact structures in North America in the Earth Impact Database (EID). These features were caused by the collision of large meteorites or comets with the Earth. For eroded or buried craters, the stated diameter typically refers to an estimate of original rim diameter, and may not correspond to present surface ...
Less than ten thousand years old, and with a diameter of 100 m (330 ft) or more. The EID lists fewer than ten such craters, and the largest in the last 100,000 years (100 ka) is the 4.5 km (2.8 mi) Rio Cuarto crater in Argentina. [2]
This category is for impact craters of North America. Subcategories. This category has the following 3 subcategories, out of 3 total. C. Impact craters of Canada (1 C ...
The Beaverhead impact structure is the second largest impact structure within the U.S. It lies within the states of Idaho and Montana . Estimated at 60 kilometers (37 mi) in diameter, it is the ninth largest impact crater on Earth .
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 epoch. It is one of the best-preserved "wet-target" impact craters in the world. [3]
It may be an ancient asteroid impact crater. A man planning a camping trip using Google Maps ran across a uniquely curved spherical pit in Quebec. It may be an ancient asteroid impact crater.
If the team can determine the site is a crater formed by an ancient impact event, then the next step is researching just when it happened. Of the world’s roughly 200 impact craters, 31 are ...
Volcanic craters have their own separate categories. Pages in category "Impact craters of the United States" The following 37 pages are in this category, out of 37 total.