Global Volcanism Program | Image GVP-06061
Kverkfjöll, seen here from the north, is a large subglacial volcano at the NE end of the Vatnajökull icecap. The Dyngjujökull glacier, an outflow sheet of the Vatnajökull icecap, appears in the foreground during a 1977 glacial surge. Two elliptical ice-filled calderas, 8 x 5 km in diameter, have been identified at Kverkfjöll volcano. An associated fissure swarm can be traced 60 km to the NE. Subglacial historical eruptions have been recorded since the mid-17th century.
Photo by Oddur Sigurdsson, 1977 (Icelandic National Energy Authority).