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Thordarhyrna Vulkan

Aktualisiert: 1. Okt. 2022 16:46 GMT -
subglacial volcano 1650 m / 5413 ft
Southern Iceland, 64.27°N / -17.62°W
Aktueller Status: normal / ruhend (1 von 5)

Thordarhyrna (Þórðarhyrna) is one of seven active subglacial volcanoes beneath the Vatnajokull glacier in southeastern Iceland. It last has erupted in 1903.

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Typische Aktivität: explosive
Ausbrüche des Thordarhyrna: 1902-04, 1887, 1823

Letzte Erdbeben in der Nähe

UhrzeitMag. / TiefeEntfernung/Ort
Freitag, 30. September 2022 GMT (2 Beben)
30. Sep. 2022 12:13 (GMT +0) (30. Sep. 2022 12:13 GMT)
2.0

0.1 km
27 km (17 mi)
Iceland: 5.5 Km ENE of Hamarinn
30. Sep. 2022 04:16 (GMT +0) (30. Sep. 2022 04:16 GMT)
2.0

0.1 km
27 km (17 mi)
Iceland: 5.8 Km ENE of Hamarinn
Donnerstag, 29. September 2022 GMT (1 Beben)
29. Sep. 2022 22:17 (GMT +0) (29. Sep. 2022 22:17 GMT)
2.0

3.5 km
28 km (17 mi)
Iceland: 2.1 Km N of Hamarinn

Beschreibung

The Thordarhyrna (Þórðarhyrna) central volcano has been moderately active during the past 10,000 years. It is the second and less active central volcano of the Grímsvötn-Laki volcanic system, located about 20 km SW of the more active Grímsvötn central volcano and connected to it by a subglacial mountain ridge.
The volcano has a diameter of 15 km, and is covered by ice 100-600 m thick within the Vatnajökull glacier. The last eruption occurred in 1903 CE. The recent activity has been explosive (phreatomagmatic) basaltic eruptions with tephra volumes ranging from 0.01-1 km3, but several rhyolitic nunataks characterize this volcano. Eruptions are accompanied by jökulhlaups (glacial floods). Being the only second central volcano on a volcanic system with considerable historical volcanic activity, Þórðarhyrna is treated as an independent volcano although the fissure swarm events are shared with the Grímsvötn system.
Source: GVP


See also: Sentinel hub | Landsat 8 | NASA FIRMS

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