Heiðarsporðar volcano

fissure vent 490 m / 1608 ft
Iceland, 65.58°N / -16.82°W
Current status: normal or dormant (1 out of 5)

Heidarspordar volcano in the Northern Volcanic Zone is a young system of eruptive fissures, about 22 km long. It formed near the Krafla and Fremrinámar fissure systems and is still in its embryonic stage, characterized by large-volume eruptions, last about 2200 years ago.

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Typical eruption style: effusive
Erupciones del volcán Heiðarsporðar: around 300 BC

Fecha / HoraRevista / Prof.Distancia/Ubicación
jueves, 16 septiembre 2021 18:38 GMT (1 terremoto)
16 sep 2021 18:38 (GMT +0) (16 sep 2021 18:38 GMT)
1.5

8.3 km
50 km (31 mi)
Iceland: 1.4 Km W of Herðubreið
miércoles, 15 septiembre 2021 12:36 GMT (1 terremoto)
15 sep 2021 12:36 (GMT +0) (15 sep 2021 12:36 GMT)
3.6

7.1 km
47 km (29 mi)
Iceland: 14.7 Km NE of Herðubreiðarlindir
martes, 14 septiembre 2021 15:28 GMT (1 terremoto)
14 sep 2021 15:28 (GMT +0) (14 sep 2021 15:28 GMT)
0.9

8.3 km
43 km (27 mi)
Iceland: 7.2 Km NNW of Herðubreið
domingo, 12 septiembre 2021 15:53 GMT (1 terremoto)
12 sep 2021 15:53 (GMT +0) (12 sep 2021 15:53 GMT)
1.1

4.5 km
34 km (21 mi)
Iceland: 1.1 Km N of Þeistareykir

Background

The Heidarspordar volcanic system in the Northern Volcanic Zone is about 22 km long, consisting of a fissure swarm and a central volcano defined by high eruptive activity and silicic rocks.
It is embryonic, starting to develop in the marginal area of two adjacent fissure areas, Krafla and Fremrinámar, producing large-volume eruptions. No geothermal activity is present. Magma composition ranges from olivine-tholeiite through tholeiitic basalt and basaltic andesite to dacite. Characteristic activity consists of effusive basaltic eruptions and small predominantly effusive silicic eruptions. It has shown rather low activity in the Holocene but has produced substantial basaltic lava flows. Two eruptive periods have occurred in Holocene time separated by over 8,000 years. The last eruption took place about 2,200 years ago, producing a lava flow covering about 220 km2 and extending 60 km from source.
Source: GVP


See also: Sentinel hub | Landsat 8
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