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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
Wed, 22 Mar
Wed, 22 Mar 20:34 UTCM 1.1 / 2.5 km7 km14.0 km SSW of Eiríksjökull
Wed, 22 Mar 20:34 UTCM 0.8 / 1.1 km3 km14.7 km SE of Húsafell
Wed, 22 Mar 16:12 UTCM 1.2 / 5 km17 km6.8 km ESE of Skjaldbreið
Wed, 22 Mar 16:12 UTCM 0.7 / 4 km18 km6.1 km SE of Skjaldbreið
Tue, 21 Mar
Tue, 21 Mar 15:47 UTCM 2.2 / 4.4 km8 km12.6 km SSW of Eiríksjökull
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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