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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
Wed, 6 Nov 2019
Wed, 6 Nov 07:48 UTCM 2.0 / 3.6 km10 km16.1 km N of Skjaldbreið (Iceland)
Tue, 5 Nov 2019
Tue, 5 Nov 13:55 UTCM 1.3 / 6.6 km24 km14.9 km SW of Húsafell (Iceland)
Tue, 5 Nov 13:55 UTCM 1.0 / 6.3 km29 km15.5 km WSW of Húsafell (Iceland)
Mon, 4 Nov 2019
Mon, 4 Nov 01:48 UTCM 1.4 / 4.6 km3 km14.6 km ESE of Húsafell (Iceland)
Tue, 29 Oct 2019
Tue, 29 Oct 06:00 UTCM 1.8 / 2.9 km2 km16.0 km ESE of Húsafell (Iceland)
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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.


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.
Source: GVP, Smithsonian Institute

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