Bardarbunga volcano update: Eruption update
According to local news, the lava flows have already reached more than 3 km distance from the fissure vent. The eruption is much stronger than the previous one on Friday, with up to 10 times lava output.
So, 31. Aug 2014, 14:4014:40 PM | VON: T
Since the start of the eruption this morning, earthquake activity has been lower (which is normal as pressure is lowered).
Lava analysis from the Friday eruption at the University of Iceland showed that the erupted basalt magma is relatively rich in magnesium (>7 wt% MgO) which suggests that it likely originates from a deeper source, directly connected to the upper mantle, rather than from an existing shallow magma reservoir under Bardarbunga (or Askja) volcano.
In the meanwhile, it is now believed that the 23 Aug event in fact was another (probably the first) eruptive episode, but went unnoticed at the surface because it failed to break through the glacier.
So, 31. Aug 2014, 13:56
According to IMO, "the new eruption started in Holuhraun shortly after 04 AM, on the same volcanic fissure, which erupted earlier this week. The fissure is estimated to be 1,5 km long. ... Read all