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Volcano News from Iceland:

gio, 1 ott 2020, 13:30
GPS station at Grimsvötn volcano (image: @gislio/twitter)
The Aviation Color Code for the volcano was raised to "yellow", as an increase of seismic activity has been recorded. ... leggere tutti
Mon, 28 Sep 2020, 07:15
Depth vs time of recent quakes in Iceland (image: VolcanoDiscovery)
The Icelandic Met Office (IMO) recorded an earthquake with magnitude M 4.8 at 9.1 km depth in Bárðarbunga volcano at 00:06 local time yesterday. Few smaller aftershocks have been detected in the area. Tremor has not shown significant variations. The earthquakes of this magnitude (M 4.8) were detected in April and January this year. leggere tutti

Iceland and its volcanoes:

Iceland has the land area of Virginia and the population of Virginia Beach (about 260,000 people). The country has the highest literacy rate (100%) of any nation in the world. Its history has always been closely related to volcanoes and knowledge of many volcanic eruptions since the middle ages are preserved in accounts.
First settled by Vikings in the 9th century AD, Iceland established its own parliament in 930 and recorded its first historical volcanic eruption only a few years later. After a golden age of literature in the 12th and 13th centuries (when the sagas were written), natural history reporting reached a low around the 15th century. In the years 1707-09 a third of the population died from smallpox, and the 1783-84 Laki eruption killed a fifth of the remaining population by famine. Iceland gained sovereignty from Denmark in 1918 and complete independence in 1944.
Iceland is noted for subglacial and regional fissure eruptions related to the rifting process between the separating plates.
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(adapted from GVP/Smithsonian Institution)
 

Vulcani dell'Islanda

Askja | Bardarbunga | Blafell | Blafjall | Brennisteinsfjöll | Burfell | Eldey | Eríksjokull | Esjufjöll | Eyafjallajökull | Fagradalsfjall | Fjallgardar Ridge | Fremrinamur | Gaesafjoll | Geysir | Grensdalur | Grímsnes | Grímsvötn | Heiðarsporðar | Hekla | Helgrindur | Hengill | Herdubreid | Hlodufell | Hofsjökull volcano | Hreppar | Hrómundartindur | Hrutfell | Hveravellir | Katla | Kerlingarfjöll | Kistufell | Kolbeinsey Ridge | Krafla | Krísuvík | Kverkfjöll | Lambafjoll | Langjökull | Ljósufjöll | Loki-Fögrufjöll volcano | Lyngdalsheidi | Lysuhóll | Ok | Öraefajökull | Prestahnukur | Reykjanes | Sellandafjall | Snaefellsjökull | Strutur | Theistareykjarbunga | Thordarhyrna | Thorisjokull | Tindfjallajökull | Tjörnes Fracture Zone | Torfajökull | Tungnaarfjoll | Tungnafellsjökull | Valdalda | Vatnafjöll | Vestmannaeyjar (Heimaey + Surtsey)
L'Islanda, la terra del ghiaccio e del fuoco, è un vero paradiso per vulcanologi. In pochi posti sulla terra, geologia e storia umana sono così strettamente collegati al vulcanismo come in Islanda. L'isola possiede la sua esistenza per un grande vulcanico hot spot che si siede su una cresta metà di-oceanica, un ambiente unico. Il limite di placca tra le placche tettoniche americane e quella eurasiatiche attraversa l'Islanda da sud a nord e il processo di diffusione può essere misurato direttamente e osservato sulla terra.

Location of Iceland and the North Atlantic mid-ocean ridge where the American and Eurasian plates separate
Location of Iceland and the North Atlantic mid-ocean ridge where the American and Eurasian plates separate
Simplified map of Iceland showing its active volcanoes
Simplified map of Iceland showing its active volcanoes

 

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