For the dragon in The Brothers Lionheart see Katla (dragon).

The volcano Katla (1450 m) has a reputation as one of the most dangerous volcanoes of Iceland. It is situated to the north of Vík í Mýrdal and to the east of the smaller glacier Eyjafjallajökull. Its peak reaches 1493 m in height and the extension of the glacier Mýrdalsjökull which lies over it reaches 595 km². A topographical summit is a point on a surface which is higher in elevation than all points immediately adjacent to it. ... This article is about longitude and latitude; see also UTM coordinate system Map of Earth showing lines of latitude (vertically) and longitude (horizontally); large version (pdf) The geographic (earth-mapping) coordinate system expresses every horizontal position on Earth by two of the three coordinates of a spherical coordinate system which... The Himalaya as seen from the International Space Station A mountain range is a group of mountains bordered by lowlands or separated from other mountain ranges by passes or rivers. ... Year 1918 (MCMXVIII) was a common year starting on Tuesday of the Gregorian calendar (see link for calendar) or a common year starting on Wednesday of the Julian calendar. ... Mountains can be characterized in several ways. ... A subglacial volcano is a volcanic form produced by eruptions beneath a glacier or beneath the surface of a lake within a glacier. ... An early book by the famed Swedish childrens book author, Astrid Lindgren. ... Katla from the book The Brothers Lionheart by Astrid Lindgren is a monster from anchent times. ... Approaching Vík í Mýrdal The beach at Vík The village Vík in the south of Iceland is indicated on road signs from a long distance (about 180 km from Reykjavík), despite its small size (about 300 inhabitants). ... Eyjafjallajökull, Iceland Eyjafjallajökull is one of the smaller glaciers of Iceland. ... Mýrdalsjökull Mýrdalsjökull is a glacier in the south of Iceland. ...

The crater of the volcano has a diameter of 10 km and the volcano normally erupts every 40 - 80 years. The last major eruption occurred in 1918, although there was a small one eruption in 1955,. Since 930, 16 eruptions have been documented. The Laki craters and the Eldgjá are part of the same volcanic system, so it can be regarded as one of the most powerful in the world. Craters on Mount Cameroon Perhaps the most conspicuous part of a volcano is the crater, a basin of a roughly circular form within which occurs a vent (or vents) from which magma erupts as gases, lava, and ejecta. ... The name Laki has more than one meaning:- A town called Laki in Plovdiv district in Bulgaria. ... Eldgjá is a volcanic canyon in Iceland. ...

Before the hringvegur (Iceland's road no.1) was constructed, people feared traversing the plains in front of the volcano because of the often occurring glacier runs and the deep river crossings. Especially dangerous was the glacier run which after the eruption of 1918. Katla has been showing signs of unrest recently and geologists have concerns that it might erupt in the near future. At the peak of the 1755 eruption the flood discharge has been estimated between 200,000-400,000m³/s, for comparison the combined average discharge of the Amazon, Mississippi, Nile, and Yangtze rivers is about 290000m³/s 1. ... A glacier run (literal translation of Icelandic jökulhlaup) is due to the eruption of a volcano under a glacier. ... A cubic metre per second (m3·s−1, m3/s or cubic meter per second in American English) is a derived SI unit of flow rate equal to that of a cube with sides one metre (100 centimetres or 39. ...

See also

• Geography of Iceland
• Glaciers of Iceland
• Iceland plume
• Lakes of Iceland
• List of islands off Iceland
• List of volcanoes in Iceland
• Rivers of Iceland
• Volcanoes of Iceland
• Waterfalls of Iceland

Iceland is a large island with extensive volcanic and geothermal activity located on the Mid-Atlantic Ridge in the North Atlantic Ocean east of Greenland immediately south of the Arctic Circle. ... Wikipedia does not yet have an article with this exact name. ... The Iceland Plume is an upwelling of anomalously hot rock in the Earths mantle beneath Iceland whose origin probably lies at the boundary between the core and the mantle in ca. ... Lakes of Iceland partially indicating surface or depth Þórisvatn 83-88 km², 114 m Þingvallavatn 82 km², 114 m Lagarfljót(Lögurinn) 53 km², 112 m Mývatn 37 km², 4,5 m Hvitárvatn 30 km², 84 m Hóp 29 - 44 km², depending on tides Langisjór... This is a list of islands off Iceland. ... This is a list of active and extinct volcanoes in Iceland. ... Rivers of Iceland On an island like Iceland, rivers are never very long. ... Eruption at Eldfell volcano, just outside a town of 5000 people, in 1973 Iceland has a very high number of active volcanoes due to its unique geological conditions. ... Gullfoss, in southern Iceland Iceland is unusually suited for waterfalls. ...

External links

• Volcanism 1
• University of Iceland's Institute of Earth Sciences page about Katla
• webcam of Katla