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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
Thu, 11 Jan
Thu, 11 Jan 02:48 UTCM 1.6 / 4 km9 km15.6 km N of Skjaldbreið
Mon, 1 Jan
Mon, 1 Jan 21:27 UTCM 0.7 / 12.5 km28 km9.5 km WSW of Skjaldbreið
Mon, 1 Jan 21:27 UTCM 0.9 / 4.6 km28 km9.2 km SW of Skjaldbreið
Sun, 31 Dec
Sun, 31 Dec 22:54 UTCM 1.7 / 2.7 km11 km14.5 km N of Skjaldbreið
Sun, 31 Dec 22:54 UTCM 1.2 / 2.3 km11 km14.1 km N of Skjaldbreið
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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.

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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