Bárdarbunga Vulkan: Nachrichten
Bardarbunga volcano update: Fissure eruption decreases, but seismic activity continues
Dienstag Sep 16, 2014 15:25 | VON: T
The lava flow field at Holurhaun on 13 Sep
Eruptive activity at the Holuhraun fissure is decreasing and many believe that it might end within some days. This does not necessarily mean that the eruption & crisis is over, however, but could be just a pause.
Lava fountain from Holuhraun on 13 Sep
We have posted sets of photos from our recent visit during 12-13 Sep.
Seismic activity continues at reduced rate, with a few 100 events detected daily, mainly below magnitude 3. Most of them have now been under the Bárðarbunga volcano caldera and the ring fault that has formed there, producing subsidence at a rate of approx. 50 cm per day. This process has been referred to as a slow caldera formation.
It has been one month since the seismic crisis at Bárðarbunga volcano started. So far, around 20.000 earthquakes have occurred since a month ago - compared to Iceland's normal yearly average of 12,000 earthquakes. More than 200 quakes had magnitudes larger than 3.
It is expected that the current rift episode continues in pulses for possibly months to even years. New fissures could open up, in particular once the Holuhraun fissure closes down and allows for pressure build-up. The risk of a subglacial eruption and associated floods and ash emissions remains high.
Pollution by SO2 in downwind areas in eastern Iceland has become a serious problem.
Dienstag, Sep 16, 2014
Sonntag, Sep 14, 2014
The eruption continues with little changes. Fountaining is now limited to the central vent on the main fissure. The southernmost vent, still active on Friday, stopped erupting yesterday. ... [mehr]
Samstag, Sep 13, 2014
The eruption continues at similar levels as during the previous days. IMO estimates the volume of lava erupted so far to be at least 200 million cu m, and the surface covered by it 24.5 square km. The lava flows continue to travel eastwards into Jökulsá á Fjöllum river. ... [mehr]
Freitag, Sep 12, 2014
The eruption continues with little variations. We flew over the fissure and could observe lava fountains still going strong from the main vents on the active fissure. ... [mehr]
Freitag, Sep 12, 2014
The short answer is that most likely, the gasses released by this eruption will not present a big threat except in near downwind areas of the eruption. ... [mehr]