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Aktuelle Nachrichten:

The ongoing earthquake swarm at the Askja caldera in Iceland
Monday, Nov 11, 2019
An swarm of earthquakes is occurring near the Askja caldera, in an area approx. 10 km ENE from the rim and at depths around 5 km. ... [mehr]
Recent earthquakes under Herdubreid volcano
Monday, Oct 12, 2015
A shallow earthquake swarm has been occurring 25 km NE of the Aksja caldera since Thursday. ... [mehr]
 

Askja Vulkan

Stratovolcano 1516 m (4,974 ft)
Central Iceland, 65.03°N / -16.75°W
Aktueller Status: normal / ruhend (1 von 5)
Askja Webcams / aktuelle Daten | Berichte
Askja Vulkan-B cher | Tours
Last update: 11 Nov 2019 (earthquake swarm ENE of the caldera)
Typische Aktivität: explosive + effusive
Ausbrüche des Askja: 1797(?), 1875, 1919, 1921, 1922, 1923, 1924(?), 1926, 1938, 1961
UhrzeitMag. / TiefeDistanceOrt
Tue, 18 Feb 2020
Tue, 18 Feb 18:14 UTCM 0.3 / 6.1 km13 km5.8 km W of Herðubreiðartögl (Iceland)
Tue, 18 Feb 11:19 UTCM 0.9 / 11.3 km28 km3.8 km NNE of Herðubreið (Iceland)
Tue, 18 Feb 10:04 UTCM 0.9 / 7.2 km28 km3.3 km NNE of Herðubreið (Iceland)
Tue, 18 Feb 10:04 UTCM 0.6 / 15.4 km27 km2.5 km N of Herðubreið (Iceland)
Tue, 18 Feb 09:58 UTCM 1.3 / 6.8 km28 km3.6 km NNE of Herðubreið (Iceland)
Alle anzeigen
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.

Beschreibung:

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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