page_title: Volcanogenic lake
section_title: Volcanic crater lakes
hierarchical_section_title: Volcanogenic lake / Volcanic crater lakes
caption_attribution_description: English: Crater Lake is a caldera lake in the U.S. state of Oregon. It is the main feature of Crater Lake National Park and famous for its deep blue color and water clarity. The lake partly fills a nearly 4,000 feet (1,220 m) deep caldera that was formed around 5,677 (± 150) BC by the collapse of the volcano Mount Mazama.
context_page_description: A volcanogenic lake is a lake formed as a result of volcanic activity. They are generally a body of water inside an inactive volcanic crater but can also be large volumes of molten lava within an active volcanic crater and waterbodies constrained by lava flows, pyroclastic flows or lahars in valley systems. The term volcanic lake is also used to describe volcanogenic lakes, although it is more commonly assigned to those inside volcanic craters.
context_section_description: Lakes in calderas fill large craters formed by the collapse of a volcano during an eruption. Examples:
  Crater Lake, Oregon, United States
  Heaven Lake, China/North Korea
  Lake Toba, Sumatra, Indonesia
  Lakes in maars fill small craters where an eruption deposited debris around a vent. Examples:
  Lake Nyos, Northwest Region, Cameroon
  Lac Pavin, Puy-de-Dôme, France
  Soda Lakes, Nevada, United States
caption: Crater Lake in Oregon, USA
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