Strong earthquake in Bárðarbunga volcano during the night

During the night of 20-April 2020 a magnitude Mw4,8 earthquake took place in Bárðarbunga volcano. This activity is normal and this is the strongest earthquake in Bárðarbunga volcano since January 2020 when a magnitude Mw4,8 earthquake took place. Article on that earthquake can be found here.

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

This is how the earthquake was recorded on my geophones.

The earthquake on my first Hvammstangi geophone station.

The earthquake on my second Hvammstangi geophone station.

The traces show that there was a lot of ground displacement in this earthquake. This is due to the inflation taking place in Bárðarbunga volcano and the fact Bárðarbunga volcano collapsed during the 2014 – 2015 eruption in Holuhraun.


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