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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 ...
List of largest craters in the Solar System; List of possible impact structures on Earth; Traces of Catastrophe – Comprehensive technical reference on the science of impact craters; Giant-impact hypothesis – Hypothesis of the formation of the Moon; Deniliquin multiple-ring feature – Buried feature in southeast Australia, suggested to be ...
Pages in category "Impact craters of North America" The following 3 pages are in this category, out of 3 total. ... List of impact structures in North America; H.
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.
The Earth Impact Database is a database of confirmed impact structures or craters on Earth. It was initiated in 1955 by the Dominion Observatory , Ottawa, under the direction of Carlyle S. Beals . Since 2001, it has been maintained as a not-for-profit source of information at the Planetary and Space Science Centre at the University of New ...
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 .
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 ...
This category is for articles related to, including craters listed in, the Earth Impact Database, which is the scientifically accepted list of confirmed impact craters. Therefore, listing in the EID is also Wikipedia's consensus definition of a confirmed impact crater or structure.