Veiðivötn (, "

fishing Fishing is the activity of trying to catch fish. Fish are often caught as wildlife from the natural environment (Freshwater ecosystem, freshwater or Marine ecosystem, marine), but may also be caught from Fish stocking, stocked Body of water, ...

lake A lake is often a naturally occurring, relatively large and fixed body of water on or near the Earth's surface. It is localized in a basin or interconnected basins surrounded by dry land. Lakes lie completely on land and are separate from ...

s") is a

volcanic A volcano is commonly defined as a vent or fissure in the crust of a planetary-mass object, such as Earth, that allows hot lava, volcanic ash, and gases to escape from a magma chamber below the surface. On Earth, volcanoes are most often fo ...

lake region in the Highlands of central Iceland, where approximately 50 lakes fill two rows of

fissure vent A fissure vent, also known as a volcanic fissure, eruption fissure or simply a fissure, is a linear volcanic vent through which lava erupts, usually without any explosive activity. The vent is often a few metres wide and may be many kilo ...

s. Geologically, Veiðivötn is part of the

Bárðarbunga Bárðarbunga (, alternative name Veiðivötn), is an active and productive stratovolcano located under Vatnajökull in Vatnajökull National Park which is Iceland's most extensive glacier. The second highest mountain in Iceland, above sea le ...

volcanic system. In 6600 B.C., long before the

settlement of Iceland The settlement of Iceland ( ) is generally believed to have begun in the second half of the ninth century, when Norsemen, Norse settlers migrated across the North Atlantic. The reasons for the migration are uncertain: later in the Middle Ages Icel ...

, prehistoric eruptions from the region produced the

Þjórsá Lava The Great Þjórsá Lava ( Icelandic: ''Þjórsárhraunið mikla'' ) is the largest lava flow in Iceland (by both area and volume) and the largest lava flow that is known to have erupted in a single eruption in the Holocene. Þjórsá Lava has ...

, the largest

lava flow Lava is molten or partially molten rock (magma) that has been expelled from the interior of a terrestrial planet (such as Earth) or a Natural satellite, moon onto its surface. Lava may be erupted at a volcano or through a Fissure vent, fractu ...

Iceland Iceland is a Nordic countries, Nordic island country between the Atlantic Ocean, North Atlantic and Arctic Oceans, on the Mid-Atlantic Ridge between North America and Europe. It is culturally and politically linked with Europe and is the regi ...

, and the largest to have erupted anywhere on Earth during the

Holocene The Holocene () is the current geologic time scale, geological epoch, beginning approximately 11,700 years ago. It follows the Last Glacial Period, which concluded with the Holocene glacial retreat. The Holocene and the preceding Pleistocene to ...

. Veiðivötn's current landscape was created in 1477 by an explosive VEI-6 fissure eruption of

tholeiitic basalt The tholeiitic magma series () is one of two main magma series in subalkaline igneous rocks, the other being the calc-alkaline series. A magma series is a chemically distinct range of magma compositions that describes the evolution of a mafic ...

. It was the largest volcanic eruption in

's recorded history. Today, many of the fissures from the 1477 eruption are filled with water lakes that have become popular for

trout Trout (: trout) is a generic common name for numerous species of carnivorous freshwater ray-finned fishes belonging to the genera '' Oncorhynchus'', ''Salmo'' and ''Salvelinus'', all of which are members of the subfamily Salmoninae in the ...

fishing.

References

1477 in Europe Bárðarbunga East Volcanic Zone of Iceland Fissure vents Highlands of Iceland Holocene volcanoes Maars Recreational fishing Rift lakes of Iceland VEI-6 volcanoes Volcanic crater lakes Volcanic eruptions in Iceland Volcanoes of Iceland {{Iceland-geo-stub