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A crater lake that simply goes by the name "Crater Lake", in Oregon, USA
A crater lake that simply goes by the name "Crater Lake", in Oregon, USA
Heaven Lake (Chonji / Tianchi), North Korea / China
Heaven Lake (Chonji / Tianchi), North Korea / China
Cuicocha, Ecuador
Cuicocha, Ecuador
Lake formed after 1991 eruption of Mount Pinatubo, Philippines
Lake formed after 1991 eruption of Mount Pinatubo, Philippines
Mount Katmai, Alaska, USA
Mount Katmai, Alaska, USA
Mount Wenchi crater lake, Ethiopia
Mount Wenchi crater lake, Ethiopia
Nemrut, Turkey
Nemrut, Turkey
Volcán Irazú, Costa Rica
Volcán Irazú, Costa Rica
This page describes the geological feature. Crater Lake is a Caldera Lake located in the US state of Oregon. Cuicocha is a wide Caldera and Crater lake at the foot of Cotacachi Volcano in the Cordillera Occidental of the Ecuadorian Andes. Mount Pinatubo is an active Stratovolcano located on the island of Luzon Mount Katmai is a large Stratovolcano (composite volcano on the Alaska Peninsula in southern Alaska, located within Katmai National Park and NOTE This intro is the result of careful NPOV work Please do not make potentially controversial edits to it without first discussing on the talk page Turkey also has a mountain called Nemrut Nemrut ( Turkish: Nemrut Dağı, Armenian: Սարակն "Mountain spring" The Irazú Volcano ( Volcán Irazú) is an Active volcano in Costa Rica, situated in the Cordillera Central close to the city of Cartago For the lake of the same name in Oregon, see Crater Lake. Crater Lake is a Caldera Lake located in the US state of Oregon.

A crater lake is a lake that forms in a volcanic crater, caldera, or maar. A lake (from Latin lacus) is a Terrain feature (or Physical feature) a body of Liquid on the surface of a world that is localized to the A volcanic crater is a circular depression in the ground caused by volcanic activity A caldera is a cauldron-like volcanic feature formed by the collapse of land following a volcanic eruption A maar is a broad low- Relief Volcanic crater that is caused by a Phreatomagmatic eruption, an Explosion caused by Groundwater Incoming precipitation fills the depression to form a deepening lake, until an equilibrium is reached between the rate of water coming in and the rate of water loss due to evaporation, subsurface drainage, and possibly also surface outflow if the lake fills the crater up to the lowest point on its rim. In Meteorology, precipitation (also known as one class of hydrometeors, which are atmospheric water phenomena is any product of the condensation of atmospheric Evaporation is the process by which Molecules in a Liquid state (e Crater lakes covering active (fumarolic) volcanic vents are often known as volcanic lakes, and the water within them is typically acidic, saturated with volcanic gases, and cloudy with a strong greenish color. In Computer science, ACID ( Atomicity Consistency Isolation Durability) is a set of properties that guarantee that Database transactions are Volcanic gases include a variety of substances given off by active (or at times by dormant Volcanoes These include gases trapped in cavities ( Vesicles) in Lakes located in dormant or extinct volcanoes tend to have fresh water, and the water clarity in such lakes is often exceptional due to the lack of inflowing streams and sediment.

A well-known crater lake, which bears the same name as the geological feature, is Crater Lake in Oregon, USA. Crater Lake is a Caldera Lake located in the US state of Oregon. Oregon ( is a state in the Pacific Northwest region of the United States. The United States of America —commonly referred to as the It is located in the caldera of Mount Mazama, hence the name "Crater Lake" is somewhat of a misnomer. Mount Mazama is a destroyed Stratovolcano in the Oregon part of the Cascade Volcanic Arc and the Cascade Range. It is the deepest lake in the United States with a depth of 594 m (1,949 ft). Crater Lake is fed solely by falling rain and snow, with no inflow or outflow at the surface, and hence has the clearest water of any lake in the world.

The highest volcano in the world, 6,893 metres (22,615 ft) Ojos del Salado, has a permanent crater lake about 100 metres (300 ft) in diameter at an elevation of 6,390 m (20,960 ft) on its eastern side. Plate tectonics and hotspots Divergent plate boundaries At the Ojos del Salado is a massive Stratovolcano in the Andes on the Argentina - Chile border and the highest Volcano in the world at. [1] This is most likely the highest lake of any kind in the world. A lake (from Latin lacus) is a Terrain feature (or Physical feature) a body of Liquid on the surface of a world that is localized to the

Due to their unstable environment, some crater lakes exist only intermittently. Caldera lakes in contrast can be quite large and long-lasting; for instance, Lake Toba formed after its eruption around 70,000 years ago and has an area of over 1,000 square kilometres. Lake Toba ( Danau Toba) is a Lake and Supervolcano, 100 km long and 30 km wide and 505 m

While many crater lakes are picturesque, they can also be deadly. Gas discharges from Lake Nyos suffocated 1,800 people in 1986, and crater lakes such as Mount Ruapehu's often contribute to destructive lahars. Lake Nyos is a Crater lake in the Northwest Province of Cameroon. Mount Ruapehu, or just Ruapehu, is an active Stratovolcano at the southern end of the Taupo Volcanic Zone in New Zealand. A lahar is a type of Mudflow / Landslide composed of Pyroclastic material and Water that flows down from a Volcano, typically

Lakes can also fill impact craters, but these are not usually referred to as crater lakes except in a few isolated cases. In the broadest sense the term impact crater can be applied to any depression natural or manmade resulting from the high velocity impact of a projectile with larger body Example of such impact crater lakes include Lake Bosumtwi in Ghana and Siljan in Sweden. Lake Bosumtwi, situated within an ancient Meteorite Impact crater, is approximately 8 km across and the only natural lake in Ghana. Siljan, in Dalarna in central Sweden, is Sweden's sixth largest Lake.

Contents

Notable crater lakes

Lake Location
Lake of Albano Flag of Italy Italy
Lago de Atitlán Flag of Guatemala Guatemala
Blue Lake Flag of Australia Australia, South Australia
Lake Bolsena Flag of Italy Italy
Lake Bracciano Flag of Italy Italy
Laguna Chicabal Flag of Guatemala Guatemala
Lago de Coatepeque Flag of El Salvador El Salvador
Crater Lake Flag of the United States United States, Oregon
Cuicocha Flag of Ecuador Ecuador
Heaven Lake (Chonji / Tianchi) Flag of North Korea North Korea / Flag of the People's Republic of China China
Volcán Irazú Flag of Costa Rica Costa Rica
Kapoho Crater Flag of the United States United States, Hawaii
Mount Katmai Flag of the United States United States, Alaska
Rano Kau Flag of Chile Chile, Rapa Nui (Easter Island)
Kelut Flag of Indonesia Indonesia
Kerið Flag of Iceland Iceland
Kurile Lake Flag of Russia Russia (Kamchatka)
Medicine Lake Volcano Flag of the United States United States, California
Lake Manicouagan Flag of Canada Canada, Quebec
Mashu Flag of Japan Japan
Lake Nemi Flag of Italy Italy
Nemrut Flag of Turkey Turkey
Newberry Volcano Flag of the United States United States, Oregon
Lake Nyos Flag of Cameroon Cameroon
Mount Pinatubo Flag of the Philippines Philippines
Rano Raraku Flag of Chile Chile, Rapa Nui (Easter Island)
Mount Ruapehu Flag of New Zealand New Zealand
Lake Shikotsu Flag of Japan Japan
Soufrière Flag of Saint Vincent and the Grenadines St. Vincent
Taal Lake Flag of the Philippines Philippines
Lake Taupo Flag of New Zealand New Zealand
Tazawa Flag of Japan Japan
Lake Toba Flag of Indonesia Indonesia
Towada Flag of Japan Japan
Lake Vico Flag of Italy Italy
Lake Wenchi [2] Flag of Ethiopia Ethiopia

See also

References

  1. ^ Andes Website - Information about Ojos del Salado volcano, a high mountain in South America and the World's highest volcano
  2. ^ http://www.gtz.de/de/praxis/11695.htm Description of Mount Wenchi crater lake on the website of GTZ

External links

Dictionary

crater lake

-noun

  1. (geology) A lake that has formed in the caldera of a volcano.
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