Strong earthquake swarm in Bárðarbunga volcano (30-June-2017)

Today (30-June-2017) a strong earthquake swarm took place in Bárðarbunga volcano. This earthquake swarm was in the north-east area of the Bárðarbunga volcano caldera, area that has showed the most earthquake activity since this started in September-2015. Why that is the case is unclear at the moment.

The earthquake activity in Bárðarbunga volcano. Copyright of this image belongs to Icelandic Met Office.

Strongest earthquake in this swarm had the magnitude of 3,6 but other earthquakes where smaller, one earthquake with magnitude 3,4 and one earthquake with magnitude 3,1. All other earthquakes where smaller in magnitude. This earthquake swarm seems to be over for now, but one new earthquake took place at 22:29 and had the early magnitude of 2,7 (or 2,8).

North sea earthquake

I don’t often record an earthquake this close to where I live in Denmark. This is a magnitude 4,8 earthquake (EMSC information) that happened in the North sea. This earthquake was felt in Scotland and Shetland Islands, I don’t know about Norway as the closest distance from Norway was 195 km of Åkrehamn village.

The north sea earthquake as it appeared on my geophone in Bov, Denmark. The distance is 644 km. This image is released under Creative Commons licence. Please see CC licence website for more details.


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