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Bardarbunga volcano
Stratovolcano approx. 2000 m / ca. 6,560 ft
Central Iceland, 64.63°N / -17.53°W
Current status: normal or dormant (1 out of 5)
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Bardarbunga volcano eruptions:
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, 1910, 2014-15 (Holuhraun fissure eruption)
Typical eruption style:
Large effusive eruptions, some explosive activity.
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Bárdarbunga volcano news & activity updates

Bárdarbunga volcano update: Earthquake swarm continues, magma migrating north

Mon, 25 Aug 2014, 08:58
08:58 AM | BY: TOMPFEIFFER
Location of today's earthquakes near Bardarbunga volcano
Location of today's earthquakes near Bardarbunga volcano
The seismic crisis in Bárðarbunga and Dyngjujökull continues strongly. Today alone, more than 400 quakes of magnitudes up to 4 were detected, mostly at the N end of the active intrusion that has been going on. The location of the quakes indicating the front of the magma intrusion (dyke) continues to advance northwards. Its tip is now outside the glacier and approaching the Askja caldera. In case of an eruption, it is now more likely that at least some of it occurs on land (and not under the glacier).
In total, the intrusion has a length of approx. 40 km. Horizontal displacement in the crust, based on GPS data, approaches 1 meter above the dyke. A rough estimation of the volume of intruded magma is about 1 cubic kilometers.
The likelihood of a large (or even very large) rifting fissure eruption is becoming greater each day. This would occur as soon as the underground intrusions "open the lip" of the fissures on the ground and let magma to rise and decompress, producing violent lava fountaining eruptions.
The Bárdarbunga volcanic system is one of the most active and productive in the world and has been the site of Iceland's largest historic eruption in 1477. Judging from current and historic data, and given that , one of the most likely scenarios at the moment would be an event similar to the fissure eruption of the so-called "Krafla Fires" at the Krafla volcano's fissure swarm during 1980-84.
Even a really large event such as the 1783 Skaftár Fires (Laki eruption) cannot be ruled out (but for now has only a small chance of happening).

In the meantime, Icelandic authorities have downgraded the emergency status of the area, although road closings and restrictions north of Vatnajokull are still in effect.

Suggested further reading: Bárðarbunga – Nature of the beast (VolcanoCafe)
Previous news
Sun, 24 Aug 2014, 22:12
About half an hour ago, another strong earthquake (magnitude 5.3) occurred near Bardarbunga. It is not yet listed by IMO, but was already picked up by international earthquake monitoring systems. ... read all
Sun, 24 Aug 2014, 21:23
Earthquake epicenters since the beginning of the crisis (IMO)
The latest update from IMO mentions approx. 1300 earthquakes today (00-19:00) so far, mostly around the northernmost tip of the active dyke intrusion, now located 4 km north of Dyngjujökull. ... read all
Sun, 24 Aug 2014, 13:35
Depth vs time of the recent earthquakes
Most Icelandic scientist now believe that no eruption occurred yesterday. The seismic activity in turn continues and has been stronger than ever today. ... read all
Sun, 24 Aug 2014, 10:28
IMO believes that the two M5 earthquakes that took place under the caldera of Bárðarbunga volcano during the night were caused by adjustments in response to pressure changes in the plumbing / magma storage system of the volcano as magma is moving. ... read all
Sun, 24 Aug 2014, 08:08
Updated map showing the location of quakes since the start of the crisis (IMO)
The seismic crisis continues to evolve rapidly. Whether an eruption occurred or not yesterday remains uncertain, but seismic activity is intense, and the likelihood of a more significant eruption increases with each day. ... read all

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