Category Archives: Þórðarhyrna

Two strong earthquakes in Bárðarbunga volcano

Today (17-September-2017) at 14:23 UTC two magnitude 3,9 earthquakes happened in Bárðarbunga volcano. This earthquake activity was at the north-east part of Bárðarbunga volcano caldera where earthquake activity has been taking place since September-2015. This earthquake activity is happening due … Continue reading

Posted in Bárðarbunga, Earthquakes, Inflation, Magma, Monitoring, Swarm, Volcano, Þórðarhyrna | 13 Comments

Possible dyke intrusion in Þórðarhyrna volcano

Tonight (05.03.2017) an possible dyke intrusion has taken place in Þórðarhyrna volcano. It’s a small volcano south-west of Grímsfjall volcano and on Global Volcanism Program website it is counted with Grímsfjall volcano eruptions. Last eruption in Þórðarhyrna took place in … Continue reading

Posted in Dyke intrusions, Earthquakes, Magma, Monitoring, Swarm, Volcano, Þórðarhyrna | 10 Comments

Harmonic tremor change close to Grímsfjall volcano

There seems to be a harmonic tremor pulse or a change around Grímsfjall volcano. This might be nothing, but the change appears on several SIL stations around Vatnajökull glacier. The harmonic tremor is strongest on Húsbóndi SIL station and Jökulheimar … Continue reading

Posted in Grímsvötn / Grímsfjall, Harmonic tremors, Monitoring, Volcano, Þórðarhyrna | 33 Comments

Earthquake activity in Þórðarhyrna, Bárðarbunga and Kverkfjöll volcanoes

Today (03-June-2014) there was a lot of minor earthquake activity in several volcanoes in Vatnajökull glacier. This is normal earthquake activity and so far nothing to worry about. This appears to be normal micro-earthquake activity in this volcanoes and I … Continue reading

Posted in Bárðarbunga, Dyke intrusions, Earthquakes, Grímsvötn / Grímsfjall, Kverkfjöll, Magma, Monitoring, Swarm, Volcano, Þórðarhyrna | Comments Off on Earthquake activity in Þórðarhyrna, Bárðarbunga and Kverkfjöll volcanoes

Harmonic tremor detected in Þórðarhyrna volcano

On the 21-November-2013 there was an earthquake swarm in Þórðarhyrna volcano (part of Grímsfjall volcano). This was not large earthquake swarm or a strong one. With the largest earthquake just having the magnitude of 1,9. While I did just suspect … Continue reading

Posted in Dyke intrusions, Earthquakes, Harmonic tremors, Magma, Monitoring, Swarm, Vatnajökull glacier, Volcano, Þórðarhyrna | 2 Comments

Minor earthquake swarm in Þórðarhyrna volcano

Today (21-November-2013) an minor earthquake swarm took place in Þórðarhyrna volcano. All of this earthquakes were small, with the largest having just the magnitude of 1,9. Depth of this earthquakes was from 6,0 to 0,1 km. This minor earthquake activity … Continue reading

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Historical eruption of Grímsfjall volcano of the year 1783 to 1785

The year 1783 is something that is going to live in historical memory of the Icelandic people for long time to come. The historical memory of Icelanders still remember the eruption of Laki that took place 229 years ago. This … Continue reading

Posted in Eruptions, Grímsvötn / Grímsfjall, History, Volcano, Þórðarhyrna | 10 Comments