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Over 800 earthquakes have occurred today so far, mostly now beyond the edge of the Dyngjujökull glacier. The crisis is showing no signs of decreasing. The intrusion itself has migrated about 1 km northwards since yesterday, and approaches the Asjka volcanic complex, which is a worrying development. A magnitude 4 earthquake occurred this morning under the eastern caldera rim of Askja (s. image).
At 00:16 UTC today, a magnitude 5.3 earthquake occurred in the caldera of Bárðarbunga. At 02:50 UTC, another similar-sized earthquake (magnitude 5.2) took place in the same region.
At 01:52 UTC, a magnitude 4.5 earthquake was detected on the eastern side of the Askja volcano. This was followed by a few micro-earthquakes in the same area.
The dyke intrusion beneath Dyngjujökull is thought to be about 40 km in length.
Modelling of GPS data indicates that about 20 million cubic metres of magma have been added to the volume of the intrusion in the last 24 hours.
Modelling results suggest that the dyke intrusion is causing stress changes over a large area, including the region to the north of the dyke's extent; this could account for the increased seismicity at Askja volcano.
originally posted by: Nidwin
I find it strange that the only thing the seems to concern most medias and some people of the scientific world is ash generated by a grey eruption that would disturb air trafic.
They seem to ignore or avoid talking about the real issues if a fissure eruption would accur. And the issues isn't ash if a fissure eruption would occur, even outside the glacier.
Clearly visible cracks appear on the surface blowout lava, north of Dyngjujökul, because swarms corridor there has been replacing its way deep above the ground. Scientists saw the cracks today, in eftirlitsflugi with TF SIF, machine Coast Guard.