Impact crater lake

Short description: Lake formed within an impact crater

Lake Manicouagan in Quebec, Canada 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

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.

## Contents

* 1 Examples
* 2 List
* 3 See also
* 4 References

## Examples

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

Lake | Location

|

Africa
Lake Bosumtwi | Ghana
Tswaing crater | South Africa
Asia
Karakul | Tajikistan
Lake Cheko (possibly created in 1908 with the Tunguska event) | Siberia, Russia
Lake El'gygytgyn | Chukotka, Russia
Lonar Lake | India
Europe
Dellen | Sweden
Karikkoselkä | Finland
Keurusselkä | Finland
Lake Kaali | Estonia
Lake Lappajärvi | Finland
Lake Siljan | Sweden
Lake Yanisyarvi | Karelia, Russia
Mien | Sweden
Morasko meteorite nature reserve (five of the seven craters contain lakes) | Poland
Paasselkä | Finland
Sääksjärvi | Finland
Saarijärvi crater | Finland
Suvasvesi | Finland
North America
Clearwater Lakes (lake-filling paired impact craters: Lac à l'Eau Claire Est, Lac à l'Eau Claire Ouest) | Quebec, Canada
Couture crater | Quebec, Canada
Gilmour and Tecumseh Lakes, Brent crater | Ontario, Canada
Gow crater | Saskatchewan, Canada
Lake Manicouagan (artificially enlarged by a dam) | Quebec, Canada
Lake Wanapitei | Ontario, Canada
Mistastin crater | Labrador, Canada
Pilot crater | Northwest Territories, Canada
Pingualuit crater (formerly called Chubb Crater and later New Quebec Crater) | Quebec, Canada
West Hawk Lake | Manitoba, Canada
Oceania
Acraman crater (ephemeral playa lake) | South Australia, Australia
Shoemaker crater | Western Australia, Australia

## See also

* Volcanic crater lake

## References

1. ↑ "Impact Structures listed by Diameter (Increasing)". PASSC. http://www.passc.net/EarthImpactDatabase/Diametersort.html. Retrieved 6 July 2012.

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