Dyngjujökull (, ''

shield volcano A shield volcano is a type of volcano named for its low profile, resembling a shield lying on the ground. It is formed by the eruption of highly fluid (low viscosity) lava, which travels farther and forms thinner flows than the more viscous lava ...

glacier'') is an outlet glacier of the

Vatnajökull Vatnajökull ( Icelandic pronunciation: , literally "Glacier of Lakes"; sometimes translated as Vatna Glacier in English) is the largest and most voluminous ice cap in Iceland, and the second largest in area in Europe after the Severny Island i ...

glacier in

Vatnajökull National Park Vatnajökull National Park ( ) is one of three national parks in Iceland, and is the largest one. It encompasses all of Vatnajökull glacier and extensive surrounding areas. These include the national parks previously existing at Skaftafell in th ...

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 ...

. The glacier is in the Icelandic Highlands and is situated between

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 ...

, Holuhraun and

Kverkfjöll Kverkfjöll () is a potentially active central volcano, Fissure vent#Iceland, fissure swarm, and associated mountain range situated on the northern border of the glacier Vatnajökull in Iceland. It is located in Vatnajökull National Park and ...

. Meltwater from the glacier flows into

Jökulsá á Fjöllum Jökulsá á Fjöllum (; "glacial river in the mountains") is the second longest river in Iceland (206 km). Its Source (river or stream), source is the Vatnajökull glacier. It flows into the Greenland Sea. Jökulsá á Fjöllum streams over ...

, the second longest river in Iceland. Depressions discovered by scientists, on 6 September 2014, have prompted speculation that eruptions may be occurring below the surface of the glacier. This is associated with seismic activity at the Bárðarbunga

caldera A caldera ( ) is a large cauldron-like hollow that forms shortly after the emptying of a magma chamber in a volcanic eruption. An eruption that ejects large volumes of magma over a short period of time can cause significant detriment to the str ...

, a large volcanic structure located beneath the glacier.

References

Glaciers of Iceland Highlands of Iceland {{Iceland-glacier-stub