Fagradalsfjall volcano

Fissure swarm 385 m / 1263 ft
Reykjanes Peninsula, Iceland, 63.89°N / -22.27°W
Current status: erupting (4 out of 5)
Last update: 18 Sep 2021 (lava overflowed dam and cut off another hiking trail to eruption site)

Fagradalsfjall mountain is a tuya that erupted during the last glaciation under the ice shield. The broader Fagradalsfjall volcanic system comprises an area of eruptive fissures (fissure swarm), cones and lava fields in the southern part of the Reykjanes peninsula.
A strong seismic crisis began in the area near Fagradalsfjall since late Feb 2021, interpreted as intrusion of magma at shallow depth. This led to the first historic eruption of the volcano on 19 March 2021.

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Typical eruption style: fissure eruptions, lava flows
Fagradalsfjall volcano eruptions: 2021 new fissure eruption (started 19 Mar, ongoing)
None during the past 10,000 years
Less than few million years ago (Pleistocene)

Latest nearby earthquakes

TimeMag. / DepthDistance/Location
Tuesday, September 14, 2021 02:40 GMT (2 earthquakes)
Sep 14, 2021 2:40 am (GMT +0) (Sep 14, 2021 02:40 GMT)

6.8 km
6.1 km (3.8 mi)
Iceland: 1.2 Km SSW of Keilir
Sep 14, 2021 2:26 am (GMT +0) (Sep 14, 2021 02:26 GMT)

5.9 km
18 km (11 mi)
Iceland: 7.0 Km NNE of Reykjanestá
Saturday, September 11, 2021 21:12 GMT (1 earthquake)
Sep 11, 2021 9:12 pm (GMT +0) (Sep 11, 2021 21:12 GMT)

5.1 km
11 km (6.8 mi)
Iceland: 1.3 Km NE of Krýsuvík
Tuesday, September 7, 2021 23:12 GMT (1 earthquake)
Sep 7, 2021 11:12 pm (GMT +0) (Sep 7, 2021 23:12 GMT)

5 km
12 km (7.5 mi)
Iceland: 4.8 Km N of Krýsuvík
Sunday, September 5, 2021 17:37 GMT (1 earthquake)
Sep 5, 2021 5:37 pm (GMT +0) (Sep 5, 2021 17:37 GMT)

5.2 km
7.8 km (4.8 mi)
Iceland: 2.7 Km ENE of Grindavík


According to Catalogue of Icelandic Volcanoes used by the Global Volcanism Project's database, the Fagradalsfjall fissure swarm is considered the southwestern branch or a secondary part of the larger Krýsuvík–Trölladyngja volcanic system. However, we follow different publications that regard Fagradalsfjall as own volcanic system (or volcano in a wider sense).
Fadradalsfjall mountain is a Pleistocene table mountain in the Reykjanes Peninsula NE of Grindavik, and the remnant of a subglacial eruption during the latest glaciation.
Source: Smithsonian / GVP volcano information

Fagradalsfjall Photos

The active cone of the Fagradalsfjall volcano eruption in Iceland in June 2021 (Photo: World-Geographic)
The active cone of the Fagradalsfjall volcano eruption in Iceland in June 2021 (Photo: World-Geographic)
Begin of a lava fountain phase at the main cone on the Fagradalsfjall eruption in Iceland, May 2021 (Photo: World-Geographic)
Begin of a lava fountain phase at the main cone on the Fagradalsfjall eruption in Iceland, May 2021 (Photo: World-Geographic)

See also: Sentinel hub | Landsat 8
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