lava. This makes the conditions on
site extremely dangerous as winds can change suddenly and unpredictably.
Scientists in the field carry gas meters for their security.
o Degassing from the volcanic eruption is now estimated to be up to 750
kg/sec.
Three scenarios are considered most likely:
o Subsidence of the Bárðarbunga caldera stops and the eruption on Holuhraun
declines gradually
/media/jar/myndsafn/Factsheet-Bardarbunga-20140913.pdf
that little ash seemed to be generated, but due to the sandstorm the possibility of some resuspended
ash (from eruptions past) mixing in with the eruption plume cannot be discarded.(Photo: Halldór Björnsson)
The next picture shows the eruption cloud from the top. The view is towards the west, towards the eruption. The eruption cloud has a different
appearance than the ambient clouds which makes/media/jar/myndsafn/HaBj_PlumePictures_w_explanations-20140901.pdf
Extreme conditions over the weekend which occur only every few years
13.3.2015
Intense rainfall and mild, windy conditions are forecast from midday on Friday 13 March, persisting until Sunday 15 March. A weather warning was issued yesterday (pdf 0.1 Mb
/about-imo/news/nr/3108
shows the current position of the station (m a.s.l.).
The graph (enlarge) was published 26 Sept. Now it shows the subsidence from 28 Sept until 4 Oct 2015. The total lowering of the ice-surface is shown by the value above the photograph (Heildarsig).
The red line shows the median value of relative displacement for every 30 minutes. This presentation was possible throughout the event because
/hydrology/research/skafta-cauldron/
High concentration of SO2 outdoors
If people must stay outdoors during a high concentration of SO2 that causes respiratory difficulties, it
is helpful to hold a damp cloth to your mouth and nose as this will reduce the amount of SO2 in the
air you inhale. A cloth soaked in a baking soda solution, as described above, is still more effective,
however. Please note that water makes the cloth less
/media/jar/UST_table_SO2_27112014-en.pdf
42nd Nordic Seismology Seminar
Reykjavík 5 - 7 October 2011
1.10.2011
The 42nd Nordic Seismology Seminar will be held in Reykjavík 5 – 7 October 2011. It is hosted in turn by each of the Nordic Countries and is therefore in Iceland every fifth year
/about-imo/news/nr/2355
damages or accidents. Can be a threat
to lives if precautions are not take. Amber warnings happen every year.
Show caution and make the necessary arrangements.
High likelihood of extreme weather causing high societal impact. Extreme
weather with very hazardous conditions is forecasted. This weather can cause
threat to life and property. High likelihood of nationwide disruptions
/media/frettir/arhrifafylki_web.pdf
in the area, which makes detection of smaller earthquakes difficult.
GPS measurements show continued movements north of Dyngjujökull.
Gas emissions rise to a few hundred meters above the fissure.
Weather conditions make it difficult to follow the progression of the eruption, but scientists are in the area, using every opportunity to acquire information on gas and lava outflow.
Weather conditions
/earthquakes-and-volcanism/articles/nr/3000
made it difficult to follow the progression of the eruption since this
morning, but scientists are in the area, using every opportunity to acquire information on gas
and lava outflow. Weather conditions do not allow overflight at this time. The Aviation
Colour Code for Bárðarbunga was rised at ‘red' this morning and it has been moved back to
'orange' since 15:00 UTC. The color code for Askja
/media/jar/Bardarbunga-2014_August-events.pdf