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Fotos al azar

Latest news:

Recent earthquakes under Herdubreid volcano
Monday, Oct 12, 2015
Un enjambre terremoto superficial ha estado ocurriendo a 25 km al NE de la caldera Aksja desde el jueves. ... [Leer más]
Wednesday, Jul 23, 2014
Un gran deslizamiento de tierra ocurrido en la pared sur de la caldera de Askja ayer por la noche. La diapositiva causó una ola de grandes inundaciones en el lago Öskjuvatn que se extendió también al famoso cráter Viti. ... [Leer más]
 

Askja volcano

Stratovolcano 1516 m (4,974 ft)
Central Iceland, 65.03°N / -16.75°W
Current status: normal or dormant (1 out of 5)
Askja webcams / datos en tiempo real | Reports
Askja volcano books | Tours
Last update: 2 Oct 2018 (earthquake swarms)
Typical eruption style: explosivo efusiva
Erupciones del volcán Askja: 1797(?), 1875, 1919, 1921, 1922, 1923, 1924(?), 1926, 1938, 1961
Fecha / HoraRevista / ProfundidadDistanciaUbicación
Mon, 25 Mar 2019
Mon, 25 Mar 10:22 UTCM 0.3 / 7 km21 km4.9 km NNE of Herðubreiðartögl (Iceland)
Mon, 25 Mar 10:10 UTCM 0.1 / 4.8 km3 km3.6 km WSW of Dreki (Iceland)
Mon, 25 Mar 06:15 UTCM 0.9 / 4 km3 km3.8 km WSW of Dreki (Iceland)
Mon, 25 Mar 03:54 UTCM 1.6 / 8.2 km25 km0.4 km SSW of Herðubreið (Iceland)
Sun, 24 Mar 2019
Sun, 24 Mar 22:18 UTCM 1.3 / 2.5 km19 km6.0 km NW of Lokatindur (Iceland)
Ver los sismos recientes
Askja is a large basaltic central volcano that forms the Dyngjufjöll massif. It is truncated by three overlapping calderas, the largest of which is 8 km wide and may have been produced primarily from subglacial ring-fracture eruptions rather than by subsidence.

Background:

A major rhyolitic explosive eruption from Dyngjufjöll about 10,000 years ago was in part associated with the formation of Askja caldera. Many postglacial eruptions also occurred along the ring-fracture. A major explosive eruption on the SE caldera margin in 1875 was one of Iceland's largest during historical time. It resulted in the formation of a smaller 4.5-km-wide caldera, now filled by Öskjuvatn lake, that truncates the rim of the larger central caldera. The 100-km-long Askja fissure swarm, which includes the Sveinagja graben, is also related to the Askja volcanic system, as are several small shield volcanoes such as Kollatadyngja. Twentieth-century eruptions at Askja have produced lava flows from vents located mostly near Öskjuvatn lake.

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Source: GVP, Smithsonian Institution

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