Impact crater lake
An impact crater lake is a lake inside a depression caused by the impact of a meteor. It is also known as an annular lake in cases where the water body is shaped like a ring, as many impact crater lakes are.
A satellite photograph of the Siljan Ring. Lake Siljan is a large part of the southwest edge of the much-eroded crater.
Lonar Lake in India
One of the largest impact crater lakes is Lake Manicouagan in Canada; the crater is a multiple-ring structure about 100 km (60 mi) across, with its 70 km (40 mi) diameter inner ring its most prominent feature; it contains a 70 km (40 mi) diameter annular lake, surrounding an inner island plateau, René-Levasseur Island. It is Earth's sixth-largest confirmed impact crater according to rim-to-rim diameter.[1]
List of impact crater lakes
| Lake | Location |
|---|---|
| Africa | |
| Lake Bosumtwi | Ghana |
| Tswaing crater | South Africa |
| Oceania | |
| Shoemaker crater | Western Australia |
| Acraman crater (ephemeral playa lake) | South Australia |
| Asia | |
| Lonar Lake | India |
| Karakul | Tajikistan |
| Lake El'gygytgyn | Russia, Chukotka |
| Lake Cheko (possibly created in 1908 with the Tunguska event) | Russia, Siberia |
| Europe | |
| Morasko meteorite nature reserve (five of the seven craters contain lakes) | Poland |
| Lake Siljan | Sweden |
| Dellen | Sweden |
| Mien | Sweden |
| Karikkoselkä | Finland |
| Lake Lappajärvi | Finland |
| Lake Yanisyarvi | Russia, Karelia |
| Keurusselkä | Finland |
| Paasselkä | Finland |
| Saarijärvi crater | Finland |
| Suvasvesi | Finland |
| Sääksjärvi | Finland |
| Lake Kaali | Estonia |
| Suavjärvi crater | Russia, Karelia |
| North America | |
| Lake Manicouagan (artificially enlarged by a dam) | Canada, Quebec |
| Pingualuit crater (formerly called Chubb Crater and later New Quebec Crater) | Canada, Quebec |
| Couture crater | Canada, Quebec |
| Clearwater Lakes (lake-filling paired impact craters: Lac à l'Eau Claire Est, Lac à l'Eau Claire Ouest) | Canada, Quebec |
| Mistastin crater | Canada, Labrador |
| Lake Wanapitei | Canada, Ontario |
| Gilmour and Tecumseh Lakes, Brent crater | Canada, Ontario |
| West Hawk Lake | Canada, Manitoba |
| Gow crater | Canada, Saskatchewan |
| Pilot crater | Canada, Northwest Territories |
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See also
References
- "Impact Structures listed by Diameter (Increasing)". PASSC. Archived from the original on 25 June 2013. Retrieved 6 July 2012.
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