Holuhraun éruption fissurale (volcan Bardarbunga, Islande) - fontaines de lave 12 sep 2014

On 23 August, the largest volcanic eruption in Iceland in over 100 years started from of Bardarbunga volcano with several phases of fissure eruptions above a large intrusion that had made its way for more than 40 km from the volcano's main reservoir.
Tom flew over the eruption site in the late afternoon of 12 September 2014. Activity at the Holuhraun fissure (which had started on 30 Aug) was still going on strong, erupting about 200 cu meters of magma per second. The eruption fissure is located about 40 km north of Bardarbunga's central caldera, between Dyngjujokull glacier and Askja Volcano.
After having started at the end of August 2014, it was still erupting about 200 cubic meters of lava per second, becoming the most important volcanic event of Iceland in the last hundred years. The lava now flows nearly 20 kms from the vents!
Approaching the Holuhraun fissure from the south. Two vent clusters are still active. Dust over the pain is from a sandstorm's strong winds. (Photo: Tom Pfeiffer)
Approaching the Holuhraun fissure from the south. Two vent clusters are still active. Dust over the ... [info]
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View of the central part of the fissure from the SW. (Holuhraun eruption of Bardarbunga volcano on Iceland in Sep 2014)  (Photo: Tom Pfeiffer)
View of the central part of the fissure from the SW. (Holuhraun eruption of Bardarbunga volcano on I... [info]
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The largest lava fountain at the central vent, informally dubbed Baugur (meaning ring or circle), where a scoria cone is being built. (Photo: Tom Pfeiffer)
The largest lava fountain at the central vent, informally dubbed Baugur (meaning ring or circle), wh... [info]
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View from the south along erupting Baugur vent with lava fountains and previously active spatter cones in a row behind. (Photo: Tom Pfeiffer)
View from the south along erupting Baugur vent with lava fountains and previously active spatter con... [info]
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A small vent with weak fountains south of the central vents on the fissure. (Photo: Tom Pfeiffer)
A small vent with weak fountains south of the central vents on the fissure. (Photo: Tom Pfeiffer) [info]
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Baugur craters northern neighbor is another crater with a boiling lava lake inside. (Photo: Tom Pfeiffer)
Baugur craters northern neighbor is another crater with a boiling lava lake inside. (Photo: Tom Pfei... [info]
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Row of fountains from the main vent, Baugur. (Photo: Tom Pfeiffer)
Row of fountains from the main vent, Baugur. (Photo: Tom Pfeiffer) [info]
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A large lava flow is fed from the main vent, exiting to the NE. (Photo: Tom Pfeiffer)
A large lava flow is fed from the main vent, exiting to the NE. (Photo: Tom Pfeiffer) [info]
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Oblique view onto the central part of the fissure from SW. (Photo: Tom Pfeiffer)
Oblique view onto the central part of the fissure from SW. (Photo: Tom Pfeiffer) [info]
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Approx. 1 km south of the main vents, a single vent is still active on the fissure. It was called Suðri. A day later, it had already stopped its activity. (Photo: Tom Pfeiffer)
Approx. 1 km south of the main vents, a single vent is still active on the fissure. It was called Su... [info]
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Lava fountains from the main vents, the lava flow and steam plume. (Photo: Tom Pfeiffer)
Lava fountains from the main vents, the lava flow and steam plume. (Photo: Tom Pfeiffer) [info]
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Tall lava fountain and lava flow from Baugur vent. (Photo: Tom Pfeiffer)
Tall lava fountain and lava flow from Baugur vent. (Photo: Tom Pfeiffer) [info]
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Lava fountains and lava flow. (Photo: Tom Pfeiffer)
Lava fountains and lava flow. (Photo: Tom Pfeiffer) [info]
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The central part of the fissure seen from the west; lava fountains are aligned in a row, building new cones and spatter ramparts. (Photo: Tom Pfeiffer)
The central part of the fissure seen from the west; lava fountains are aligned in a row, building ne... [info]
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View from the NW onto the main vents. (Photo: Tom Pfeiffer)
View from the NW onto the main vents. (Photo: Tom Pfeiffer) [info]
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The steam plume, full of acid gasses (SO2, HCl) is bent towards the NE. (Photo: Tom Pfeiffer)
The steam plume, full of acid gasses (SO2, HCl) is bent towards the NE. (Photo: Tom Pfeiffer) [info]
(1292 Hits)
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