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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)
Bardarbunga webcams / live data | Reports
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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.
Last earthquakes nearby
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Bárdarbunga volcano news & activity updates

Bárdarbunga volcano update: rapid migration of earthquakes could indicate imminent eruption

Sat, 23 Aug 2014, 13:40
13:40 PM | BY: T
Location of earthquakes since the start of the crisis (red: today) (image: IMO)
Location of earthquakes since the start of the crisis (red: today) (image: IMO)
3D-view of earthquakes during the past 24 hours, showing the vertical dyke
3D-view of earthquakes during the past 24 hours, showing the vertical dyke
As of now, there is no confirmation that an eruption started, but the situation at Bardarbunga is evolving quickly. In addition to suspiciously high tremor levels, the location of the most recent quakes tells its story:
The magma intrusion northeast of the central volcano developed a N-S trending path today, marked by earthquakes between 20 and 2.5 km depth.
If this corresponds to a deep-reaching fissure system where magma could rise directly from the deeper mantle source, chances are that what seems to be an impending eruption could be large. Its most likely location would currently be approx 13 km east of Kistufell under the glacial ice. An eruption would generate significant meltwater flooding and ash emissions, as soon as it breaks through the ice cap and explosive interaction of magma and water is exposed to the atmosphere.
The situation remains to be followed closely.
Links / Sources:
- 3dBulge (great interactive tool to visualize Bardabunga's earthquakes in real-time)
- Bárdarbunga on the move (VolcanoCafe with lively discussions and frequent updates)
Previous news
Sat, 23 Aug 2014, 12:40
Harmonic tremor at Dyngjuháls station (IMO)V
Seismic stations near the volcano show a marked increase in tremor since about an hour ago. This could indicate that an eruption has started or is about to start, but this needs to be confirmed. The first visual signs of an eruption (assuming it starts under the ice cap) should be meltwater floods. ... read all
Thu, 21 Aug 2014, 10:06
Earthquakes under Bárdabunga volcano during the first 10 hours of today
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. ... read all
Tue, 19 Aug 2014, 22:30
All manually checked earthquakes since the beginning of the sequence. Event times are colour coded, events larger than magnitude 3 are given as green stars. The migration of the activity from the caldera of Bárðarbunga (dark blue, Saturday) to the northern and eastern clusters (light blue, Sunday; orange Monday) can be seen. (IMO)
Earthquakes, volcanic tremor and deformation continue, but there are no signs of an impending eruption so far, as long as the earthquakes, indicators of magma intrusion, don't migrate towards the surface. The country remains at alert of a possible eruption from Bardarbunga, which could and likely would produce a significant ash plume. ... read all
Tue, 19 Aug 2014, 10:14
Location of earthquakes at Bardarbunga this morning
Intense earthquake activity continues, but there is no signs of magma reaching the surface, i.e. a new eruption of the volcano yet. ... read all
Mon, 18 Aug 2014, 17:43
Earthquakes under Bárdabunga volcano during the past days
An eruption of the subglacial volcano seems more and more likely to be imminent. Rapid inflation suggests magma intrusion at shallow depth. Orange alert has been declared today by the Iceland Met Office (IMO). ... read all
 

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