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Latest news:

lun, 11 nov 2019, 07:35
The ongoing earthquake swarm at the Askja caldera in Iceland
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. ... leggere tutti
Mon, 12 Oct 2015, 09:21
Recent earthquakes under Herdubreid volcano
A shallow earthquake swarm has been occurring 25 km NE of the Aksja caldera since Thursday. leggere tutti

Askja vulcano

Stratovolcano 1516 m (4,974 ft)
Central Iceland, 65.03°N / -16.75°W
Stato attuale: normal or dormant (1 di 5)
Last update: 1 Mar 2020 (earthquake swarm ENE of the caldera)

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.

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Stile eruttivo tipico: esplosivo effusiva
Eruzioni del vulcano Askja: 1797(?), 1875, 1919, 1921, 1922, 1923, 1924(?), 1926, 1938, 1961

Latest nearby earthquakes

Data / oraMag. / ProfonditàDistanzaUbicazione
Tue, 2 Mar 2021 (GMT) (3 Terremoti)
2 mar 2021 05:50 (GMT +0) (2 Mar 2021 05:50:03 GMT)
1.8

1.1 km - Più
74 km30.1 Km NNE of Laugafell, Iceland
2 mar 2021 05:36 (GMT +0) (2 Mar 2021 05:36:53 GMT)
4.3

14 km - Più
53 km16.9 Km N of Herðubreiðarfjöll, Iceland
2 mar 2021 04:07 (GMT +0) (2 Mar 2021 04:07:30 GMT)
0.7

1.1 km - Più
52 km18.5 Km ESE of Bárðarbunga, Iceland
Mon, 1 Mar 2021 (GMT) (2 Terremoti)
1 mar 2021 23:45 (GMT +0) (1 Mar 2021 23:45:46 GMT)
1.3

1.1 km - Più
54 km4.8 Km E of Bárðarbunga, Iceland
1 mar 2021 23:45 (GMT +0) (1 Mar 2021 23:45:46 GMT)
1.1

2 km - Più
53 km5.7 Km E of Bárðarbunga, Iceland

Sfondo

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


See also: Sentinel hub | Landsat 8

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