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Katla Vulkan

Aktualisiert: 3. Okt. 2022 18:21 GMT -
subglacial volcano 1512 m / 4,961 ft
Southern Iceland, 63.63°N / -19.06°W
Aktueller Status: normal / ruhend (1 von 5)
Last update: 14 Dez 2021 (seismic unrest)

Katla volcano, located near the southern end of Iceland's eastern volcanic zone, is hidden beneath the Myrdalsjökull icecap. Katla is one of Iceland's most active and most dangerous volcanoes, infamous for its large eruptions happening on average every 50-100 year, causing devastating glacial floods (jökullhlaups).
In recent year, increased seismicity and inflation of Katla has been being measured. Katla, statistically due for a new eruption, is being very closely monitored and an eruption in a not too distant future would not come as a big surprise.

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Typische Aktivität: Explosive basaltic and dacitic eruptions, voluminous lava flows
Ausbrüche des Katla: 920 AD, 950 AD (?), 1150, 1177, 1245, 1262, 1311, 1357, 1416, 1440, 1450, 1500, 1580, 1612, 1625, 1660-61, 1721, 1755-56, 1823, 1860, 1918, 1955(?), 1999(?), 1918

Letzte Erdbeben in der Nähe

No recent earthquakes

Beschreibung

The subglacial dominantly basaltic volcano is one of Iceland's most active and is a frequent producer of damaging jökulhlaups, or glacier-outburst floods. A large 9 x 14 km subglacial caldera with a long axis in a NW-SE direction is up to 750 m deep. Its high point reaches 1380 m, and three major outlet glaciers have breached its rim.

Although most historical eruptions have taken place from fissures inside the caldera, the Eldgjá fissure system, which extends about 60 km to the NE from the current ice margin towards Grímsvötn volcano, has been the source of major Holocene eruptions. An eruption from the Eldgjá fissure system about 934 AD produced a voluminous lava flow of about 18 cu km, one of the world's largest known Holocene lava flows. Katla has been the source of frequent subglacial basaltic explosive eruptions that have been among the largest tephra-producers in Iceland during historical time and has produced dacitic explosive eruptions during the Holocene.

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Source: GVP, Smithsonian Institute


See also: Sentinel hub | Landsat 8 | NASA FIRMS
Location of Katla volcano and other volcanoes on Iceland
Location of Katla volcano and other volcanoes on Iceland
Fr, 4. Sep 2020, 08:13

Katla volcano (Iceland): earthquake yesterday

Earthquake detected near the Katla caldera yesterday (image: Volcano Discovery)
The Icelandic Met Office (IMO) recorded an earthquake with magnitude M 3.1 that occurred at 12:39 local time yesterday located in the northeastern part of the Katla caldera near Austmannsbunga. ... Read all
Do, 23. Jul 2020, 09:05

Katla volcano (Iceland): earthquake today

The Icelandic Met Office (IMO) recorded an earthquake with magnitude M 3.3 that occurred at 05:36 local time this morning. Another earthquake with magnitude M 2.7 occurred at 01:59 local time today. Few smaller earthquakes have also been detected. ... Read all
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