Ames, Oklahoma, USA 36°15' N, 98°12' W Diameter: 16km Age: 470±30Ma 
Avark, Alaska, USA 71°15' N, 156°38' W Diameter: 12km Age: >95Ma 
Barringer, Arizona, USA 35°2' N, 111°1'W Diameter: 1.186km Exposed Age: 0.049±0.003Ma 
Beaverhead, Montana, USA 44°36' N, 113°0' W Diameter: 60km Exposed Age: ~600Ma 
Brent, Ontario, Canada 46°5' N, 78°29' W Diameter: 3.8km Age: 396±20Ma 
Calvin, Michigan, USA 41°50' N, 85°57' W Diameter: 8.5km Age: 450±10Ma 
Carswell, Saskatchewan, Canada 58°27' N, 109°30' W Diameter: 39km Exposed Age: 115±10Ma 
Charlevoix, Quebec, Canada 47°32' N, 70°18' W Diameter: 54km Exposed Age: 342±15Ma 
Chesapeake Bay, Virginia, USA 37°17' N, 76°1' W Diameter: 90km Age: 35.5±0.3Ma 
Chicxulub, Yucatan, Mexico 21°20' N, 89°30' W
Diameter: 170km Age: 64.98±0.05 
Clearwater East, Quebec, Canada 56°5' N, 74°7' W
Diameter: 26km Exposed Age: 290±20 
Clearwater West, Quebec, Canada 56°13' N, 74°30' W
Diameter: 36km Exposed Age: 290±20 
Cloud Creek, Wyoming, USA 43°7' N, 106°45' W Diameter: 7km Age: 190 ± 30 Ma 
Couture, Quebec, Canada 60°8' N, 75°20' W Diameter: 8km Exposed Age: 430±25 
Crooked Creek, Missouri, USA 37°50' N, 91°23' W Diameter: 7km Exposed Age: 320±80 
Decaturville, Missouri, USA 37°54' N, 92°43' W Diameter: 6km Exposed Age: <300 
Deep Bay, Saskatchewan, Canada 56°24' N, 102°59' W Diameter: 13km Age: 99±4Ma 
Des Plaines, Illinois, USA 42°3' N, 87°52' W Diameter: 8km Age: <280Ma 
Flynn Creek, Tennessee, USA 36°17' N, 85°40' W Diameter: 3.8km Exposed Age: 360±20 
Gow, Sasketchwan, Canada 56°27' N, 104°29' W Diameter: 5km Exposed Age:<250Ma 
Haughton, Nuvavut, Canada 75°22' N, 89°41' W Diameter: 24km Exposed Age: 23±1Ma 
Haviland, Kansas, USA 37°35' N, 99°10' W Diameter: 0.015km Age: <0.001Ma 
Holleford, Ontario, Canada 44°28' N, 76°38' W Diameter: 2.35km Age: 550±100Ma 
Ile Rouleau, Quebec, Canada 50°41' N, 73°53' W Diameter: 4km Exposed Age: <300Ma 
Kentland, Indiana, USA 40°45' N, 87°24' W Diameter: 13km Exposed Age: <97Ma 
Manicouagan, Quebec, Canada 51°23' N, 68°42' W Diameter: 100km Exposed Age: 214±1Ma 
Manson, Iowa, USA 42°35' N, 94°33' W Diameter: 35km Age: 73.8±0.3 
Maple Creek, Saskatchewan, Canada 49°48' N, 109°6' W Diameter: 6km Age: <75Ma 
Marquez, Texas, USA 31°17' N, 96°18' W Diameter: 12.7km Exposed Age: 58±2 
Middlesboro, Kentucky, USA 36°37' N, 83°44'W Diameter: 6km Exposed Age: <300Ma 
Mistastin, Newfoundland/ Labrador, Canada 55°43' N, 63°18' W Diameter: 28km Exposed Age: 36±4Ma 
Newporte, North Dakota, USA 48°58' N, 101°58' W Diameter: 3.2km Age: <500Ma 
Odessa, Texas, USA 31°45' N, 102°29' W Diameter: 0.168km Exposed Age: <0.05Ma 
Red Wing, North Dakota, USA 47°36' N, 103°33' W Diameter: 9km Age: 200±25 
Rock Elm, Wisconsin, USA 44°43' N, 92°14' W Diameter: 6km Age: <505Ma 
Saint Martin, Manitoa, Canada 51°47' N, 98°32' W Diameter: 40km Age: 220±32 
Serpant Mound, Ohio, USA 39°2' N, 83°24' W Diameter: 8km Exposed Age: <320 
Sierra Madera, Texas, USA 30°36' N, 102°55' W Diameter: 13km Exposed Age: <100 
Slate Island, Ontario, Canada 48°40' N, 87°0' W Diameter: 30km Exposed Age: ~450 
Steen River, Alberta, Canada 59°30' N, 117°38' W Diameter: 25km Exposed Age: 95±7 
Sudbury, Ontario, Canada 46°36' N, 81°11' W Diameter: 250km Exposed Age: 1850±3 
Upheaval Dome, Utah, USA 38°26' N, 109°54' W Diameter: 10km Exposed Age: <170 
Viewfield, Saskatchewan, Canada 49°35' N, 103°4' W Diameter: 2.5km Age: 190±20 
Wanapitei, Ontario, Canada 46°45' N, 80°45' W Diameter: 7.5km Age: 37.2±1.2 
Wells Creek, Tennessee, USA 36°23' N, 87°40' W Diameter: 12km Exposed Age: 200±100 
West Hawk, Manitoba, Canada 49°46' N, 95°11' W Diameter: 2.44km Age: 100±50 
Wetumpka, Alabama, USA 32°31' N, 86°10' W Diameter: 6.5km Age: 81.0±1.5 
Others Under Study:
Santa Fe, New Mexico, USA (2007) Image and information coming soon.
Pingualuit, Canada (2007)
N 61° 17' W 73° 40' Diameter: ??km Exposed Age:
Google Earth image will be posted soon. Thank you to Charles O`Dale, Canada, for his determination to reach this site for more research information recently in August 2007. More coming. http://www.flickr.com/photos/chuckexpeditions/2813874599/ http://www.ottawa.rasc.ca/articles/odale_chuck/earth_craters/index.html | |