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Fotos al azar

Volcano News from Iceland:

Sampling of gas released from Grimsvötn volcano in June (photo: IMO/Melissa Anne Pfeffer)
Wednesday, Jun 17, 2020
One of Iceland's most active volcanoes might be getting ready for a new eruption. Recent observations by scientists from the Icelandic Met Office (IMO) monitoring the sub-glacial volcano lead to this conclusion, IMO reported in a recent press release. ... [Leer más]
The seismicity around Grindavík last week (image: IMO)
Wednesday, Jun 17, 2020
The Icelandic Met Office (IMO) reported that in mid-May deformation data (GPS and InSAR measurements) started to show again signs of inflation, suggesting that a third intrusion since the beginning of this year is occurring west of Thorbjörn. The intrusion began around mid of May but the seismic activity started to increase toward the end of the month (30 May). About 2000 earthquakes have been detected since then and several events are located East of Thorbjörn, few kilometers North of the town of Grindavík. The largest earthquake of this swarm occurred on 13 June with magnitude M 3.5. ... [Leer más]

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)
 

Volcanes de Islandia

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)
Iceland, the land of ice and fire, is a true paradise for volcanologists. In few places on earth, geology and human history are so closely connected to volcanism as on Iceland. The island owes its existence to a large volcanic hot spot sitting on a mid-oceanic ridge, a unique setting. The plate boundary between the American and Eurasian tectonic plates crosses Iceland from south to North and the spreading process can be directly measured and observed on land.

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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