List of impact craters in North America

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This list includes all 60 confirmed impact craters 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 features.

North America

## Contents

* 1 Canada
* 2 Mexico
* 3 United States
* 4 Unconfirmed impact craters
* 5 See also
* 6 References
* 7 External links

## Canada

Name  | Location  | Diameter (km)  | Age (Ma/millions)  | Coordinates

|
|
|
|

Brent | Ontario  | 3.8  | 396 ± 20  |  [ ⚑ ] 46°5′N 78°29′W﻿ / ﻿46.083°N 78.483°W﻿ / 46.083; -78.483﻿ (Brent)
Carswell | Saskatchewan  | 39  | 115 ± 10  |  [ ⚑ ] 58°27′N 109°30′W﻿ / ﻿58.45°N 109.5°W﻿ / 58.45; -109.5﻿ (Carswell)
Charlevoix | Quebec  | 54  | 342 ± 15  |  [ ⚑ ] 47°32′N 70°18′W﻿ / ﻿47.533°N 70.3°W﻿ / 47.533; -70.3﻿ (Charlevoix)
Couture | Quebec  | 8  | 430 ± 25  |  [ ⚑ ] 60°8′N 75°20′W﻿ / ﻿60.133°N 75.333°W﻿ / 60.133; -75.333﻿ (Couture)
Deep Bay | Saskatchewan  | 13  | 99 ± 4  |  [ ⚑ ] 56°24′N 102°59′W﻿ / ﻿56.4°N 102.983°W﻿ / 56.4; -102.983﻿ (Deep Bay)
Eagle Butte  | Alberta  | 10  | < 65  |  [ ⚑ ] 49°42′N 110°30′W﻿ / ﻿49.7°N 110.5°W﻿ / 49.7; -110.5﻿ (Eagle Butte)
Elbow | Saskatchewan  | 8  | 395 ± 25  |  [ ⚑ ] 50°59′N 106°43′W﻿ / ﻿50.983°N 106.717°W﻿ / 50.983; -106.717﻿ (Elbow)
Gow | Saskatchewan  | 4  | < 250  |  [ ⚑ ] 56°27′N 104°29′W﻿ / ﻿56.45°N 104.483°W﻿ / 56.45; -104.483﻿ (Gow)
Haughton | Nunavut | 23  | 39  |  [ ⚑ ] 75°23′N 89°40′W﻿ / ﻿75.383°N 89.667°W﻿ / 75.383; -89.667﻿ (Haughton)
Holleford  | Ontario  | 2.35  | 550 ± 100  |  [ ⚑ ] 44°28′N 76°38′W﻿ / ﻿44.467°N 76.633°W﻿ / 44.467; -76.633﻿ (Holleford)
Île Rouleau  | Quebec  | 4  | < 300  |  [ ⚑ ] 50°41′N 73°53′W﻿ / ﻿50.683°N 73.883°W﻿ / 50.683; -73.883﻿ (Île Rouleau)
La Moinerie | Quebec  | 8  | 400 ± 50  |  [ ⚑ ] 57°26′N 66°37′W﻿ / ﻿57.433°N 66.617°W﻿ / 57.433; -66.617﻿ (La Moinerie)
Lac à l'Eau Claire Est
Clearwater East  | Quebec  | 26  | 460–470  |  [ ⚑ ] 56°04′N 74°06′W﻿ / ﻿56.067°N 74.1°W﻿ / 56.067; -74.1﻿ (Lac à l'Eau Claire Est)
Lac à l'Eau Claire Ouest
Clearwater West  | Quebec  | 36  | 286.2 ± 2.6  |  [ ⚑ ] 56°13′N 74°30′W﻿ / ﻿56.217°N 74.5°W﻿ / 56.217; -74.5﻿ (Lac à l'Eau Claire Ouest)
Manicouagan  | Quebec  | 100  | 214 ± 1  |  [ ⚑ ] 51°23′N 68°42′W﻿ / ﻿51.383°N 68.7°W﻿ / 51.383; -68.7﻿ (Manicouagan)
Maple Creek | Saskatchewan  | 6  | < 75  |  [ ⚑ ] 49°48′N 109°6′W﻿ / ﻿49.8°N 109.1°W﻿ / 49.8; -109.1﻿ (Maple Creek)
Mistastin | Newfoundland and Labrador  | 28  | 36.4 ± 4  |  [ ⚑ ] 55°53′N 63°18′W﻿ / ﻿55.883°N 63.3°W﻿ / 55.883; -63.3﻿ (Mistastin)
Montagnais  | Nova Scotia  | 45  | 50.50 ± 0.76  |  [ ⚑ ] 42°53′N 64°13′W﻿ / ﻿42.883°N 64.217°W﻿ / 42.883; -64.217﻿ (Montagnais)
Nicholson | Northwest Territories | 12.5  | < 400  |  [ ⚑ ] 62°40′N 102°41′W﻿ / ﻿62.667°N 102.683°W﻿ / 62.667; -102.683﻿ (Nicholson)
Pilot | Northwest Territories | 6  | 445 ± 2  |  [ ⚑ ] 60°17′N 111°0′W﻿ / ﻿60.283°N 111°W﻿ / 60.283; -111﻿ (Pilot)
Pingualuit
formerly Chubb and Nouveau-Québec  | Quebec  | 3.44  | 1.4 ± 0.1  |  [ ⚑ ] 61°17′N 73°40′W﻿ / ﻿61.283°N 73.667°W﻿ / 61.283; -73.667﻿ (Pingualuit)
Presqu'île | Quebec  | 24  | < 500  |  [ ⚑ ] 49°43′N 74°48′W﻿ / ﻿49.717°N 74.8°W﻿ / 49.717; -74.8﻿ (Presqu'île)
Tunnunik  | Northwest Territories | 25  | ~130-350  |  [ ⚑ ] 72°28′N 113°56′W﻿ / ﻿72.467°N 113.933°W﻿ / 72.467; -113.933[1]
Saint Martin | Manitoba  | 40  | 220 ± 32  |  [ ⚑ ] 51°47′N 98°32′W﻿ / ﻿51.783°N 98.533°W﻿ / 51.783; -98.533﻿ (Saint Martin)
Slate Islands | Ontario  | 30  | about 450  |  [ ⚑ ] 48°40′N 87°0′W﻿ / ﻿48.667°N 87°W﻿ / 48.667; -87﻿ (Slate Islands)
Steen River | Alberta  | 25  | 91 ± 7  |  [ ⚑ ] 59°30′N 117°38′W﻿ / ﻿59.5°N 117.633°W﻿ / 59.5; -117.633﻿ (Steen River)
Sudbury | Ontario  | 250  | 1850 ± 3  |  [ ⚑ ] 46°36′N 81°11′W﻿ / ﻿46.6°N 81.183°W﻿ / 46.6; -81.183﻿ (Sudbury)
Viewfield | Saskatchewan  | 2.5  | 190 ± 20  |  [ ⚑ ] 49°35′N 103°4′W﻿ / ﻿49.583°N 103.067°W﻿ / 49.583; -103.067﻿ (Viewfield)
Wanapitei | Ontario  | 7.5  | 37.2 ± 1.2  |  [ ⚑ ] 46°45′N 80°45′W﻿ / ﻿46.75°N 80.75°W﻿ / 46.75; -80.75﻿ (Wanapitei)
West Hawk | Manitoba  | 2.44  | 351 ± 20  |  [ ⚑ ] 49°46′N 95°11′W﻿ / ﻿49.767°N 95.183°W﻿ / 49.767; -95.183﻿ (West Hawk)
Whitecourt  | Alberta  | 0.04  | <0.0011  |  [ ⚑ ] 54°00′N 115°36′W﻿ / ﻿54°N 115.6°W﻿ / 54; -115.6﻿ (Whitecourt)

## Mexico

Name  | Location  | Diameter (km)  | Age (Ma/millions)  | Coordinates

|
|
|
|

Chicxulub  | Yucatan  | 170  | 64.98 ± 0.05  |  [ ⚑ ] 21°20′N 89°30′W﻿ / ﻿21.333°N 89.5°W﻿ / 21.333; -89.5﻿ (Chicxulub)

## United States

Name  | Location  | Diameter (km)  | Age (Ma/millions)  | Coordinates

|
|
|
|

Ames | Oklahoma  | 16  | 470 ± 30  |  [ ⚑ ] 36°15′N 98°12′W﻿ / ﻿36.25°N 98.2°W﻿ / 36.25; -98.2﻿ (Ames)
Avak | Alaska | 12  | < 95  |  [ ⚑ ] 71°15′N 156°30′W﻿ / ﻿71.25°N 156.5°W﻿ / 71.25; -156.5﻿ (Avak)
Barringer  | Arizona  | 1.19  | 0.049 ± 0.003  |  [ ⚑ ] 35°2′N 111°1′W﻿ / ﻿35.033°N 111.017°W﻿ / 35.033; -111.017﻿ (Barringer)
Beaverhead  | Idaho, Montana  | 60  | 600  |  [ ⚑ ] 44°15′N 114°0′W﻿ / ﻿44.25°N 114°W﻿ / 44.25; -114﻿ (Beaverhead)
Calvin | Michigan  | 8.5  | 450 ± 10  |  [ ⚑ ] 41°50′N 85°57′W﻿ / ﻿41.833°N 85.95°W﻿ / 41.833; -85.95﻿ (Calvin)
Chesapeake Bay  | Virginia  | 90  | 35.5 ± 0.3  |  [ ⚑ ] 37°17′N 76°1′W﻿ / ﻿37.283°N 76.017°W﻿ / 37.283; -76.017﻿ (Chesapeake Bay)
Cloud Creek | Wyoming  | 7  | 190 ± 30  |  [ ⚑ ] 43°7′N 106°45′W﻿ / ﻿43.117°N 106.75°W﻿ / 43.117; -106.75﻿ (Cloud Creek)
Crooked Creek | Missouri  | 7  | 320 ± 80  |  [ ⚑ ] 37°50′N 91°23′W﻿ / ﻿37.833°N 91.383°W﻿ / 37.833; -91.383﻿ (Crooked Creek)
Decaturville  | Missouri  | 6  | < 300  |  [ ⚑ ] 37°54′N 92°43′W﻿ / ﻿37.9°N 92.717°W﻿ / 37.9; -92.717﻿ (Decaturville)
Des Plaines  | Illinois  | 8  | < 280  |  [ ⚑ ] 42°3′N 87°52′W﻿ / ﻿42.05°N 87.867°W﻿ / 42.05; -87.867﻿ (Des Plaines)
Flynn Creek | Tennessee | 3.8  | 360 ± 20  |  [ ⚑ ] 36°17′N 85°40′W﻿ / ﻿36.283°N 85.667°W﻿ / 36.283; -85.667﻿ (Flynn Creek)
Glasford | Illinois  | 4  | < 430  |  [ ⚑ ] 40°36′N 89°47′W﻿ / ﻿40.6°N 89.783°W﻿ / 40.6; -89.783﻿ (Glasford)
Glover Bluff | Wisconsin  | 8  | < 500  |  [ ⚑ ] 43°58′N 89°32′W﻿ / ﻿43.967°N 89.533°W﻿ / 43.967; -89.533﻿ (Glover Bluff)
Haviland  | Kansas | 0.015  | < 0.001  |  [ ⚑ ] 37°35′N 99°10′W﻿ / ﻿37.583°N 99.167°W﻿ / 37.583; -99.167﻿ (Haviland)
Kentland | Indiana | 13  | < 97  |  [ ⚑ ] 40°45′N 87°24′W﻿ / ﻿40.75°N 87.4°W﻿ / 40.75; -87.4﻿ (Kentland)
Manson | Iowa  | 35  | 73.8 ± 0.3  |  [ ⚑ ] 42°35′N 94°33′W﻿ / ﻿42.583°N 94.55°W﻿ / 42.583; -94.55﻿ (Manson)
Marquez  | Texas | 12.7  | 58 ± 2  |  [ ⚑ ] 31°17′N 96°18′W﻿ / ﻿31.283°N 96.3°W﻿ / 31.283; -96.3﻿ (Marquez)
Middlesboro | Kentucky  | 6  | < 300  |  [ ⚑ ] 36°37′N 83°44′W﻿ / ﻿36.617°N 83.733°W﻿ / 36.617; -83.733﻿ (Middlesboro)
Newporte | North Dakota  | 3.2  | < 500  |  [ ⚑ ] 48°58′N 101°58′W﻿ / ﻿48.967°N 101.967°W﻿ / 48.967; -101.967﻿ (Newporte)
Odessa  | Texas | 0.168  | < 0.050  |  [ ⚑ ] 31°45′N 102°29′W﻿ / ﻿31.75°N 102.483°W﻿ / 31.75; -102.483﻿ (Odessa)
Red Wing | North Dakota  | 9  | 200 ± 25  |  [ ⚑ ] 47°36′N 103°33′W﻿ / ﻿47.6°N 103.55°W﻿ / 47.6; -103.55﻿ (Red Wing)
Rock Elm | Wisconsin  | 6  | < 505  |  [ ⚑ ] 44°43′N 92°14′W﻿ / ﻿44.717°N 92.233°W﻿ / 44.717; -92.233﻿ (Rock Elm)
Santa Fe  | New Mexico  | 6-13  | <1200  |  [ ⚑ ] 35°45′N 105°56′W﻿ / ﻿35.75°N 105.933°W﻿ / 35.75; -105.933﻿ (Santa Fe)
Serpent Mound | Ohio  | 8  | < 320  |  [ ⚑ ] 39°2′N 83°24′W﻿ / ﻿39.033°N 83.4°W﻿ / 39.033; -83.4﻿ (Serpent Mound)
Sierra Madera | Texas | 13  | < 100  |  [ ⚑ ] 30°36′N 102°55′W﻿ / ﻿30.6°N 102.917°W﻿ / 30.6; -102.917﻿ (Sierra Madera)
Upheaval Dome | Utah  | 10  | < 170  |  [ ⚑ ] 38°26′N 109°56′W﻿ / ﻿38.433°N 109.933°W﻿ / 38.433; -109.933﻿ (Upheaval Dome)
Wells Creek | Tennessee | 12  | 200 ± 100  |  [ ⚑ ] 36°23′N 87°40′W﻿ / ﻿36.383°N 87.667°W﻿ / 36.383; -87.667﻿ (Wells Creek)
Wetumpka | Alabama  | 7.6  | ~83  |  [ ⚑ ] 32°31′N 86°10′W﻿ / ﻿32.517°N 86.167°W﻿ / 32.517; -86.167﻿ (Wetumpka)[2][3]

## Unconfirmed impact craters

Main article: Earth:List of possible impact structures on Earth

The following craters are officially considered "unconfirmed" because they are not listed in the Earth Impact Database. Due to stringent requirements regarding evidence and peer-reviewed publication, newly discovered craters or those with difficulty collecting evidence generally are known for some time before becoming listed. However, entries on the unconfirmed list could still have an impact origin disproven.

Name  | Location  | Diameter (km)  | Age (years)  | Coordinates  | Probability

|
|
|
|
|

Alamo bolide impact | Nevada, USA  | unknown  | 367 million  |  |
Bow City  | Alberta  | 8 km  | 70 million  |  [ ⚑ ] 50°25′N 112°16′W﻿ / ﻿50.417°N 112.267°W﻿ / 50.417; -112.267﻿ (Bow City) |
Corossol | Quebec  | 4 km  | 2.6 million  |  [ ⚑ ] 50°03′N 66°23′W﻿ / ﻿50.05°N 66.383°W﻿ / 50.05; -66.383﻿ (Corossol) |
Decorah crater | Iowa, USA  | 5.6  | 470 million  |  [ ⚑ ] 43°18′49.73″N 91°46′20.04″W﻿ / ﻿43.3138139°N 91.7722333°W﻿ / 43.3138139; -91.7722333 | 2 (probable)[4][5]
Gatun structure  | Panama  | 2.7-3.0  | 20 million  |  [ ⚑ ] 09°06′N 79°47′W﻿ / ﻿9.1°N 79.783°W﻿ / 9.1; -79.783﻿ (Gatun structure) | 2 (probable)[6]
Pantasma  | Nicaragua  | 10  | 1 million  |  [ ⚑ ] 13°22′N 85°57′W﻿ / ﻿13.37°N 85.95°W﻿ / 13.37; -85.95﻿ (Pantasma) | 4 (not probable)[6]
Jeptha Knob | Kentucky, USA  | 4.3  | 425 million  |  [ ⚑ ] 38°11′N 85°07′W﻿ / ﻿38.183°N 85.117°W﻿ / 38.183; -85.117﻿ (Jeptha Knob) | 2 (probable)[6]
Panther Mountain | New York, USA  | 10  | 375 million  |  [ ⚑ ] 42°03′N 74°24′W﻿ / ﻿42.05°N 74.4°W﻿ / 42.05; -74.4﻿ (Panther Mountain) | 2 (probable)[6]
Snows Island  | South Carolina, USA  | 11  | unknown  |  [ ⚑ ] 33°49′N 79°22′W﻿ / ﻿33.817°N 79.367°W﻿ / 33.817; -79.367﻿ (Snows Island) | 2 (probable)[6]
Toms Canyon | New Jersey, USA  | 22  | 35 million  |  [ ⚑ ] 39°08′N 72°51′W﻿ / ﻿39.133°N 72.85°W﻿ / 39.133; -72.85﻿ (Toms Canyon) | 2 (probable)[6]
Victoria Island structure  | California | 5.5  | 37-49 million  |  [ ⚑ ] 37°53′24″N 121°32′05″W﻿ / ﻿37.889925°N 121.534672°W﻿ / 37.889925; -121.534672﻿ (Victoria Island structure)[7] | 2 (probable)[6]
Weaubleau-Osceola  | Missouri, USA  | 15–20  | 325.0 ± 15.0 million  |  [ ⚑ ] 37°59′N 93°38′W﻿ / ﻿37.983°N 93.633°W﻿ / 37.983; -93.633﻿ (Weaubleau-Osceola) | 2 (probable)[6]
Brushy Creek Feature  | Louisiana, USA  | 2  | 11,000 - 30,000 years  |  [ ⚑ ] 30°46′05″N 90°44′06″W﻿ / ﻿30.768°N 90.735°W﻿ / 30.768; -90.735﻿ (Brushy Creek Feature) | 2 (probable).[8][9][10]

## See also

* Impact craters
* Impact events
* Bolides and Meteorites
* Earth Impact Database – primary source
* Traces of Catastrophe book from Lunar and Planetary Institute \- comprehensive reference on impact crater science

## References

1. ↑ July 25, 2012. "Researchers discover new impact crater in the Arctic," University of Saskatchewan, Accessed August 8, 2012. NOTE: Geographic coordinates are in the comments section.
2. ↑ King Jr., David T. (April 23, 2010). "Wetumpka Crater". The Encyclopedia of Alabama. Alabama Humanities Foundation. http://www.encyclopediaofalabama.org/face/Article.jsp?id=h-1035.
3. ↑ "Wetumpka's Coastal Impact Crater". City of Wetumpka. http://www.cityofwetumpka.com/Default.asp?ID=145.
4. ↑ Vastag, Brian (18 February 2013). "Crater found in Iowa points to asteroid break-up 470 million years ago". Washington Post. https://www.washingtonpost.com/national/health-science/crater-found-in-iowa-points-to-asteroid-break-up-470-million-years-ago/2013/02/18/545131f8-76d5-11e2-aa12-e6cf1d31106b_story.html?wprss=rss_national.
5. ↑ U.S. Geological Survey. "Iowa Meteorite Crater Confirmed". http://www.usgs.gov/newsroom/article.asp?ID=3521.
6. ↑ 6.0 6.1 6.2 6.3 6.4 6.5 6.6 6.7 Rajmon, David (October 10, 2009). "Impact Database 2009.2" (Excel). Impact Field Studies Group. http://impacts.rajmon.cz/data/Impact_database_2009_2.xls. [yes|permanent dead link|dead link}}]
7. ↑ "Victoria Island". United States Geological Survey. https://geonames.usgs.gov/apex/f?p=gnispq:3:::NO::P3_FID:237071.
8. ↑ Heinrich, P.V. (2003) Possible Meteorite Impact Crater in St. Helena Parish, Louisiana. Search and Discovery Article. no. 50006. American Association of Petroleum Geologist, Tulsa, Oklahoma. Retrieved March 27, 2011.
9. ↑ Heinrich, P.V. (2003) Origin of a Circular Depression and Associated Fractured and Shocked Quartz, St. Helena Parish, LA. Transactions of the Gulf Association of Geological Societies. vol. 53, pp. 313-322.
10. ↑ Anonymous, 2008, LGS Researcher Featured in Meteor Crater News Story. Center for Energy Studies, Louisiana State University Baton Rouge, LA 70803. Retrieved March 27, 2011.

## External links

Map all coordinates using: OpenStreetMap

Download coordinates as: KML * GPX

* Impact Database (formerly Suspected Earth Impact Sites list) maintained by David Rajmon for Impact Field Studies Group, USA
* Earth Impact Database (EID) maintained by the Planetary and Space Science Centre (PASSC), University of New Brunswick, Fredericton, New Brunswick, Canada

* v
* t
* e

Impact cratering on Earth

* Impact crater
* Impact event

Lists|

* Worldwide
* Africa
* Antarctica
* Asia
* Australia
* Europe
* North America
* South America
* By country

Confirmed

≥20 km diameter|

* Acraman
* Amelia Creek
* Araguainha
* Beaverhead
* Boltysh
* Carswell
* Charlevoix
* Chesapeake Bay
* Chicxulub
* Clearwater East & West
* Gosses Bluff
* Haughton
* Kamensk
* Kara
* Karakul
* Keurusselkä
* Lappajärvi
* Logancha
* Manicouagan
* Manson
* Mistastin
* Mjølnir
* Montagnais
* Morokweng
* Nördlinger Ries
* Obolon'
* Popigai
* Presqu'île
* Puchezh-Katunki
* Rochechouart
* Saint Martin
* Shoemaker
* Siljan Ring
* Slate Islands
* Steen River
* Strangways
* Sudbury
* Tookoonooka
* Tunnunik
* Vredefort
* Woodleigh
* Yarrabubba

Topics|

* Alvarez hypothesis
* Australite
* Breccia
* Coesite
* Complex crater
* Cretaceous–Paleogene boundary
* Cryptoexplosion
* Ejecta blanket
* Impact crater
* Impact structure
* Impactite
* Late Heavy Bombardment
* Lechatelierite
* Meteorite
* Moldavite
* Ordovician meteor event
* Philippinite
* Planar deformation features
* Shatter cone
* Shock metamorphism
* Shocked quartz
* Stishovite
* Suevite
* Tektite

Research|

* Baldwin, Ralph Belknap
* Barringer, Daniel
* Barringer Medal
* Chao, Edward C T
* Dietz, Robert S
* Hartmann, William K
* Melosh, H Jay
* Ryder, Graham
* Schultz, Peter H
* Shoemaker, Eugene
* Earth Impact Database
* Impact Field Studies Group
* Lunar and Planetary Institute
* Traces of Catastrophe

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