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Prestahnukur volcano

Shield volcano (subglacial) 1390 m (4,560 ft) (?)
Iceland, 64.6°N / -20.58°W
Current status: normal or dormant (1 out of 5) | Reports
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, 7 Oct
Sun, 7 Oct 09:52 UTCM 1.2 / 6 km14 km14.2 km NNE of Geysir
Sun, 7 Oct 09:48 UTCM 1.5 / 5.9 km13 km14.1 km NNE of Geysir
Sun, 7 Oct 09:48 UTCM 1.0 / 5.4 km13 km13.6 km NNE of Geysir
Sat, 6 Oct
Sat, 6 Oct 00:23 UTCM 1.3 / 5 km2 km17.7 km SE of Húsafell
Fri, 5 Oct
Fri, 5 Oct 23:09 UTCM 0.8 / 11.2 km35 km17.6 km WNW 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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