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Earthquakes under Bárdabunga volcano during the first 10 hours of today
Thursday, Aug 21, 2014
The intense earthquake swarm continues with no significant changes. There are no signs of magma migrating towards or reaching the surface are present, although the risk of a subglacial eruption in the near future remains high. This could lead to significant glacial floods and ash emissions, which in turn could cause again disruptions of flight operations in the region, depending on the wind trajectories and the amount of ash released. ... [more]
Road map of the closed area near Bardarbunga volcano
Wednesday, Aug 20, 2014
The situation remains the same as yesterday. The earthquake swarm continues at high intensity. The quakes are clustered in an area 20 km east of the Bárdarbunga volcano's caldera under the ice cap and at shallow depths of 10-1 km. ... [more]

Bárdarbunga volcano

Stratovolcano approx. 2000 m / ca. 6,560 ft
Iceland, 64.63°N / -17.53°W
Current status: minor activity or eruption warning (3 out of 5)
Bárdarbunga webcams / live data
Last update: 21 Aug 2014
Typical eruption style: Large effusive eruptions, some explosive activity.
Bárdarbunga 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
TimeMag. / DepthDistanceLocation
Fri, 22 Aug
Fri, 22 Aug 10:56 UTCM 1.3 / 0.5 km6 km5.3 km ENE of Bárðarbunga
Fri, 22 Aug 10:55 UTCM 0.3 / 2.8 km4 km3.3 km N of Bárðarbunga
Fri, 22 Aug 10:51 UTCM 0.9 / 3.8 km4 km2.9 km N of Bárðarbunga
Fri, 22 Aug 10:47 UTCM 1.1 / 6.1 km5 km3.9 km NNW of Bárðarbunga
Fri, 22 Aug 10:42 UTCM 0.8 / 1.5 km6 km5.4 km NE of Bárðarbunga
View all recent quakes
Bárdarbunga is a large central volcano lying underneath Iceland's 500-m thick Vatnajokull glacier in the center of the country. It is located at the junction between the eastern and northern volcanic rift zones in the area where the present-day center of the mantle hot spot beneath Iceland is thought to be.
Bárdarbunga has had about 300-400 eruptions during the past 10,000 years which includes only 23 eruptions historic times (approx the past 1000 years), i.e. it seems to erupt currently at rates of approx. twice per century, the last one having occurred in 1910. A massive explosive-effusive eruption (VEI 6) in 1477 resulted in a large ash and pumice fall-out deposit.
Approx 8600 years ago, Bárðarbunga produced the largest known lava flow during the past 10,000 years on earth (more than 21 cubic kilometers of volume). The lava was erupted from the Veidivötn fissure system and traveled more than 100 km to the south coast.

Background:

The volcano is hidden beneath the northwestern part of the Vatnajökull glacier, and contains a 700-m-deep caldera that is hidden beneath ice and has extensive flank fissures, from where eruptions have taken place: the Veidivötn fissure extends for over 100 km to the SW, almost reaching Torfajökull volcano, while the Trollagigar fissure extends 50 km to the NE touching Askja volcano.

A major risk from Bárdarbunga are jökulhlaups (glacier-outburst floods), that can be hazardous for areas in all directions around Bárdarbunga.



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