Earthquake with magnitude (Mw) 4,2 in Bárðarbunga volcano

Yesterday (23-February-2019) a earthquake with the magnitude Mw 4,2 took place in Bárðarbunga volcano. This earthquake was in the north-east location of the caldera. This is the location were most earthquakes happen in Bárðarbunga volcano. There appears to have been a foreshock this time with a magnitude of 2,7.


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

I can’t provide wave image of the earthquake since my main earthquake computer is broken and I can’t afford for the moment getting a new one (+Windows 10 Pro licence). I hope to get a new computer this summer for this task along with switching to Raspberry Shake seismometer.

EMSC/USGS show the magnitude as 4,5 this happens due to difference method used for calculate the magnitude of this earthquake.

Update

I did manage to get the earthquake trace data from the remote station that handles it.


The earthquake in Bárðarbunga volcano. This image is under Creative Commons licence. Please see CC Licence page for more details.

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Article updated on 25-February-2019. Image of the earthquake added.

Earthquake swarm north of Geysir volcano

Starting yesterday (22-February-2019) and ending today (23-February-2019) a swarm of earthquake happened north-east of Geysir volcano. This was not a large earthquake swarm with only around 24 earthquakes.


Earthquake activity north-east of Geysir volcano. Copyright of this image belongs to Icelandic Met Office.

Largest earthquakes in this swarm had a magnitude of 2,4. Other earthquake were smaller in magnitude.