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Hengill volcano

Updated: Feb 5, 2023 02:38 GMT -
Crater rows 803 m (2,634 ft)
Iceland, 64.18°N / -21.33°W
Current status: normal or dormant (1 out of 5)
Last update: 14 Mar 2022 (small earthquake swarms under Hengill volcano caused by pumping of water)

The Hengill volcanic system, cutting through Thingvallavatn lake, consists of a series of NE-SW-trending fissure vents, crater rows, and small shield volcanoes occupying a strongly faulted graben.

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Typical eruption style:

Effusive (lava flows).

Hengill volcano eruptions: none confirmed during historic times

Latest nearby earthquakes

TimeMag. / DepthDistance/Location
Friday, February 3, 2023 GMT (1 quake)
Feb 3, 2023 4:08 am (GMT +0) (Feb 3, 2023 04:08 GMT)

5.9 km
16 km (9.9 mi)
Iceland: 3.8 Km S of Hrómundartindi
Tuesday, January 31, 2023 GMT (1 quake)
Jan 31, 2023 7:48 pm (GMT +0) (Jan 31, 2023 19:48 GMT)

5.6 km
14 km (8.7 mi)
Iceland: 4.2 Km SW of Hrómundartindi
Monday, January 30, 2023 GMT (1 quake)
Jan 30, 2023 11:16 pm (GMT +0) (Jan 30, 2023 23:16 GMT)

7.8 km
32 km (20 mi)
Iceland: 3.9 Km E of Bláfjallaskáli
Sunday, January 22, 2023 GMT (2 quakes)
Jan 22, 2023 10:04 am (GMT +0) (Jan 22, 2023 10:04 GMT)

4.9 km
15 km (9.3 mi)
Iceland: 3.5 Km SSW of Hrómundartindi
Jan 22, 2023 8:37 am (GMT +0) (Jan 22, 2023 08:37 GMT)

6.8 km
26 km (16 mi)
Iceland: 2.0 Km ESE of Bláfjallaskáli


Hengill is the easternmost of a series of four closely spaced basaltic fissure systems that cut diagonally across the Reykjanes Peninsula and lies at the triple junction of the Reykjanes Peninsula volcanic zone, the Western volcanic zone, and the South Iceland seismic zone. Postglacial lava flows surface much of the volcanic system. The latest eruption was radiocarbon dated about 1900 years before present. An eruption in the Hellisheidi area once thought to have occurred around 1000 AD at the time of a meeting of the Icelandic parliament at Thingvellir is now known to have occurred at a vent about 5 km away in the Brennisteinsfjöll volcanic system. Geothermally heated greenhouses, hot springs, and geysers are found at the Hveragerdi thermal area.
Source: GVP, Smithsonian Institute

Hengill Photos

See also: Sentinel hub | Landsat 8 | NASA FIRMS

Sat, 25 Feb 2012, 11:05

Hengill volcano (Iceland) activity update: small earthquake swarms under Hengill volcano caused by pumping of water

Small earthquake swarms occurred at Hengill volcano on 24 and 25 Feb 2012. The seismic activity is thought to be related to the hydrothermal power plane Orkuveita Reykjavíkur which continues to pump down water in this area. ... Read all
Thu, 19 Jan 2012, 00:01

Hengill volcano (Iceland) activity update: Small earthquake swarm caused by pumping of water

A small earthquake swarm started in Hengill volcano on 17 Jan 2012 in the area of the Orkuveita Reykjavíkur hydrothermal plant that has been pumping down cold water into the ground. So far the largest earthquake is just M2.0 and at depth of around 5 km. Read all
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