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The volcanic eruption in Holuhraun continues to be strong, although its productivity has decreased from mid-September. The activity is similar to what it has been in the last two weeks but the lava flow is more fluctuating.

The flow is forming an extrusion to the east-southeast, as stated in the latest status report from the Scientific Advisory Board of the Icelandic Civil Protection, released at noon today.

The Seismic activity in Bárðarbunga volcano under Vatnajökull glacier continues to be strong. The biggest earthquake detected there since noon on Wednesday was of magnitude 4.6. In total 16 earthquakes bigger then magnitude 4.0 were detected over the period and 39 between magnitude 3.0 and 3.9. In total 170 earthquakes were detected in Bárðarbunga since noon on Wednesday.

In total 65 minor earthquakes were detected in the intrusive dike, connecting Bárðarbunga and Holuhraun, over the period, which is greater activity then detected there over the past few weeks. Most of the earthquakes were detected in the northern end of the dike but about 15, including the larger ones, hit further to the south and under Vatnajökull.

The subsidence of the Bárðarbunga caldera and tectonics continues at a similar rate as in the last few weeks. Tectonics movements show a depression towards Bárðarbunga.

Today sulfur dioxide (SO2) gas pollution is expected to the north of the eruption site. Tomorrow, gas pollution is expected in West Iceland.

For forecasts, go to vedur.is and information on SO2 levels and pollution advice
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