Earth:List of impact craters in North America
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.
Canada
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 |
United States
Unconfirmed impact craters
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 | |
Corossol | Quebec | 4 km | 2.6 million | [ ⚑ ] 50°03′N 66°23′W / 50.05°N 66.383°W | |
Decorah crater | Iowa, USA | 5.6 | 470 million | [ ⚑ ] 43°18′49.73″N 91°46′20.04″W / 43.3138139°N 91.7722333°W | 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 | 2 (probable)[6] |
Pantasma | Nicaragua | 10 | 1 million | [ ⚑ ] 13°22′N 85°57′W / 13.37°N 85.95°W | 4 (not probable)[6] |
Jeptha Knob | Kentucky, USA | 4.3 | 425 million | [ ⚑ ] 38°11′N 85°07′W / 38.183°N 85.117°W | 2 (probable)[6] |
Panther Mountain | New York, USA | 10 | 375 million | [ ⚑ ] 42°03′N 74°24′W / 42.05°N 74.4°W | 2 (probable)[6] |
Snows Island | South Carolina, USA | 11 | unknown | [ ⚑ ] 33°49′N 79°22′W / 33.817°N 79.367°W | 2 (probable)[6] |
Toms Canyon | New Jersey, USA | 22 | 35 million | [ ⚑ ] 39°08′N 72°51′W / 39.133°N 72.85°W | 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[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 | 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 | 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
- ↑ 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.
- ↑ 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.
- ↑ "Wetumpka's Coastal Impact Crater". City of Wetumpka. http://www.cityofwetumpka.com/Default.asp?ID=145.
- ↑ 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.
- ↑ U.S. Geological Survey. "Iowa Meteorite Crater Confirmed". http://www.usgs.gov/newsroom/article.asp?ID=3521.
- ↑ 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}}]
- ↑ "Victoria Island". United States Geological Survey. https://geonames.usgs.gov/apex/f?p=gnispq:3:::NO::P3_FID:237071.
- ↑ 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.
- ↑ 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.
- ↑ 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
- 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
![]() | Original source: https://en.wikipedia.org/wiki/List of impact craters in North America.
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