Intense earthquake activity continues at the Bárðarbunga volcano – a situation that has persisted since 16 August.

During the last 6 hours the dyke has propagated ~5 km to the north. The rate of earthquakes has increased such that they are happening so quickly that it is difficult for the seismologist to discern individual events. Observed high frequency tremor is interpreted to be caused by the propagation of the dyke.

Some larger earthquakes of magnitude 3 - 4 have been measured in the Bárðarbunga caldera in the last days. These events in the Bárðarbunga caldera are interpreted as adjustments related to decompression in the caldera since the beginning of the unrest.

Most recent GPS data shows that magma flow is continuing.

The Coast Guard TF SIF aircraft is taking off by 13:00 to make observations with scientists from Icelandic Met Office, the Institute of earth science, and people from the Civil Protection.

A tourist plane called in at noon to report no visible changes at the surface.

The activity continues and an eruption can therefore not be ruled out.

The aviation colour-code for the Bárðarbunga volcano remains unchanged at ‘orange’, and we are continuously evaluating if this should be changed. The volcano is exhibiting heightened levels of unrest.

Topic

Bárðarbunga and Holuhraun

Earthquake in Bárðarbunga this morning

• Magnitude 4.4 quake strikes Iceland’s Bárðarbunga
• Size 4.2 quake hits Iceland’s Bárðarbunga volcano
• Bárðarbunga quakes “not uncommon”
• Bárðarbunga continues to rumble

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