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Bárdarbunga Vulkan
Stratovolcano approx. 2000 m / ca. 6,560 ft
Central Iceland, 64.63°N / -17.53°W
Aktueller Status: normal / ruhend (1 von 5)
Bárdarbunga Webcams / aktuelle Daten | Berichte
Bárdarbunga Vulkan-B cher
Ausbrüche des Bárdarbunga :
1080(?), 1159(?), ca. 1210, ca. 1270, ca. 1350, ca. 1410(?), 1477 (very large effusive-explosive eruption), 1697, 1702, 1706, 1712, 1716, 1717, 1720, 1726, 1729, 1739, 1750, 1766, 1769, 1797, 1807(?), 1862-64, 1872(?), 1902-03
Typische Aktivität:
Large effusive eruptions, some explosive activity.
Letzte Erdbeben in der Nähe
Letzte Satellitenbilder

Bárdarbunga Vulkan: Nachrichten

Bardarbunga volcano update: Eruption evolved from fierce fountains to boiling lava lake

Montag Nov 17, 2014 11:00 | VON: T

The lava lake inside Baugur crater at Holuhraun
The lava lake inside Baugur crater at Holuhraun
The lava lake inside Baugur crater at Holuhraun
The lava lake inside Baugur crater at Holuhraun
Winter conditions continue to make it difficult to study the fissure eruption at Holuhraun. Rare opportunities for visual observation however revealed that the Baugur crater ceased to eject tall lava fountains and transformed into an elongated, boiling lava lake. Magma seems to be welling up in this lava lake at the same effusion rate as early November. The two images accompanying this update are snapshots from a stunning video recently shot by Jon Gustafson.

Meanwhile, both subsidence of the Bárðarbunga caldera and seismic activity continue at much the same rates as during the last weeks. The caldera floor sunk another meter over the past 48 h. Most earthquakes cluster at the northern edge of the caldera and are occasionally of magnitude 4 or higher. Seismic activity in the dyke intrusion thought to feed the Holuhraun eruption remains low. As long as the Holuhraun fissure eruption remains active it releases the pressure below the Bárðarbunga caldera. If the Baugur crater would however get ‘obstructed’ whilst magma continues to well up, the pressure is likely to increase as magma searches for another eruption location. Regardless of what happens next, this eruption is record-breaking as it already emitted an impressive volume of more than 1 cubic kilometer of lava. This makes it the second largest effusive eruption in Iceland since the 18th century. Number one is the 1783-1784 Laki eruption which gave rise to a staggering 14 cubic kilometer of erupted lava.

Another volcanic phenomena for which the current Holuhraun eruption is only outdone by the Laki eruption is the quantity of emitted sulphur dioxide gas. This pollution keeps troubling parts of Iceland, mainly in the east, as 40 - 60.000 tonnes of sulphur dioxide are released into the air every day. The sulphur dioxide gas can transform to sulphuric acid and give rise to ‘acid rain’. Rainwater has been monitored all over Iceland since the early stages of the eruption. Measurements show that for the moment about 40% of the Icelandic rain is polluted, but less than 1% of this acid rain has distinctly low pH values.

Although air pollution from the Laki eruption killed about half of the farm animals in Iceland and triggered the failure of crops due to a global climate change, the Holuhraun eruption is not yet of the size to cause a similar scenario.

- Icelandic Met Office
- Icelandic National Broadcasting Service RUV
Vorherige Nachrichten
The latest map showing the extent of the lava flow as estimated from radar images. The lava now covers 69,9 km²  (69,5 km² + 0,4 km²). Analysis by the Institute of Earth Sciences (IES).
Sonntag, Nov 09, 2014
The volcanic eruption at Holuhraun gives no signs of weakening and continues to eject an impressive lava fountain from the central Baugur crater at a rate similar to the past few weeks. This record-breaking eruption started on the 31st of August 2014 and formed a more than 17 km long lava flow. Using the successive outlines of this lava flow as drawn on a radar image from the Icelandic Coast Guard, researchers from the Institute of Earth Sciences estimated that by now the lava has covered an area of 70 km². ... [mehr]
Webcam view of the eruption this afternoon (Mila webcam)
Donnerstag, Nov 06, 2014
The Holuhraun fissure eruption continues with amazing stability. By now, more than 1 cubic kilometers of magma has been erupted and covers almost 70 square km (which implies an average thickness of 15 meters). ... [mehr]
View of the eruption this morning (Mila webcam)
Donnerstag, Okt 30, 2014
Huge lava effusion rates continue to characterize the ongoing eruption at the Holuhraun fissure. There are no signs of the eruption ending soon. ... [mehr]
Montag, Okt 27, 2014
The eruption continues with no significant changes. ... [mehr]
Samstag, Okt 25, 2014
The eruption seems to continue with no changes, but there were no visual observations today. IMO writes: ... [mehr]

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