Kverkfjoll is the volcano on the north end of the glacier
Posted by JAC on 4/18/2010, 7:51 pm


http://www.volcano.si.edu/world/volcano.cfm?vnum=1703-05=&volpage=erupt




Kverkfjoll is the fourth major volcano lying beneath the ice of Vatnajokull, situated on its far northern edge.

Two broad outlet glaciers pour out of the Vatnajokull icefield on either side of the high massif of Kverkfjoll, which itself has a smaller outlet glacier pouring out of its throat ("kverkin" in Icelandic, for which the glacier Kverkjokull and the mountain Kverkfjoll are named).

A hut located at the head of the Kverkjokull provides another access point to the interior of Vatnajokull.  

Two elliptical ice-filled calderas, 8 x 5 km in diameter, have been identified.

An associated fissure swarm can be traced 60 km to the NE.

A half dozen ridges of subglacially erupted pillow lavas are now exposed and extend beyond the glacial icecap to the NE.

Subglacial historical eruptions have been recorded since the mid-17th century.

Several other historical eruptions once attributed to Kverkfjöll are now thought to have originated from Bárdarbunga volcano to the west.

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Iceland earthquakes - CypressTX, 4/18/2010, 5:12 pm
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