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Prestahnukur volcano

Shield volcano (subglacial) 1390 m (4,560 ft) (?)
Iceland, 64.6°N / -20.58°W
Current status: (probably) extinct (0 out of 5)
Prestahnukur volcano books
Typical eruption style: Effusive (lava flows).
Prestahnukur volcano eruptions: none during historic times, last eruption radiocarbon-dated at 7550 BC +-500 years
TimeMag. / DepthDistanceLocation
Sun, 19 Nov
Sun, 19 Nov 02:43 UTCM 1.0 / 7.4 km16 km16.5 km N of Geysir
Sun, 19 Nov 02:43 UTCM 0.7 / 2.3 km11 km12.2 km N of Geysir
Fri, 17 Nov
Fri, 17 Nov 19:16 UTCM 1.8 / 6.9 km3 km16.1 km ESE of Húsafell
Fri, 17 Nov 16:46 UTCM 1.4 / 6.1 km2 km17.4 km SE of Húsafell
Sun, 12 Nov
Sun, 12 Nov 07:50 UTCM 1.2 / 10 km2 km17.7 km ESE of Húsafell
View all recent quakes
Prestahnukur volcano is a large subglacial shield volcano in SW Iceland. It is located beneath at the SW end of the Langjökull icecap. Prestahnukur has rift zones to the north and SW. Eruptions occurred from the rift zones in the past 10,000 years.

Background:

Hot springs are associated with the rhyolitic Prestahnukur central volcano. The classic Icelandic shield volcano Skjaldbreidur was formed at the southern end of the Prestahnukur volcanic system, between Thorsjökull glacier and Thingvallavatn lake. The broad, low-angle shield volcano produced 17 cu km of basaltic lava flows during the early Holocene.
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Source: GVP, Smithsonian Institute


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