Category Archives: Grímsvötn / Grímsfjall

Slight increase in earthquake activity in Grímsvötn (Grímsfjall) volcano

Over the past few months there has been a slight increase in earthquake activity in Grímsvötn (Grímsfjall) volcano. This increase in activity strongly suggests that Grímsvötn are now in later stages of getting ready for an eruption. Earthquake activity in … Continue reading

Posted in Earthquakes, Grímsvötn / Grímsfjall, Monitoring, Volcano | 3 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

Small glacier flood from Grímsfjall caldera lake

On the 18th of August 2016 a small glacier flood started from the Grímsfjall volcano caldera lake. This is a tiny glacier flood according to the news, with the glacier on top of the lake only having dropped around 5 … Continue reading

Posted in Glacier flood, Grímsvötn / Grímsfjall, Monitoring | 18 Comments

Earthquakes between Bárðarbunga and Grímsfjall volcanoes

Today (05-July-2016) at 05:56 UTC an magnitude 3,4 earthquake took place between Bárðarbunga and Grímsfjall volcanoes. The green star is the magnitude 3,4 earthquake between Bárðarbunga and Grímsfjall volcano. Copyright of this image belongs to Iceland Met Office. This earthquake … Continue reading

Posted in Bárðarbunga, Earthquakes, Grímsvötn / Grímsfjall, Monitoring, Volcano | 11 Comments

Grímsfjall volcano preparing for an eruption (also known as Grímsvötn)

On Wednesday 25-May-2016 a small earthquake swarm took place in Grímsfjall volcano (also known as Grímsvötn), none of the earthquakes that took place managed to reach the magnitude 1,0, many of the earthquakes where shallow and might be glacier movement, … Continue reading

Posted in Earthquakes, Grímsvötn / Grímsfjall, Monitoring, Swarm, Volcano | 12 Comments

Earthquake activity in Bárðarbunga and Grímsfjall volcanoes

Yesterday (17-March-2016) an earthquake swarm took place in Bárðarbunga volcano. This is a weekly cycle at the moment in Bárðarbunga volcano so older readers are used to seeing and read about it already. This started in September 2015 (for the … Continue reading

Posted in Bárðarbunga, Dyke intrusions, Earthquakes, Grímsvötn / Grímsfjall, Magma, Monitoring, Swarm, Volcano | 11 Comments

New study shows that ash cloud in Eyjafjallajökull and Grímsfjall volcanoes eruptions larger then expected

It was reported on Rúv News today about a new study that came out few days ago. In this study according to Rúv News the ash cloud from Eyjafjallajökull (2010) and Grímsfjall (2011) volcanoes where larger then appeared on satellite … Continue reading

Posted in Ash, Ash cloud, Eyjafjallajökull, Grímsvötn / Grímsfjall, News | 8 Comments

Small glacier flood from Grímsfjall volcano caldera

Today (11-May-2015) a glacier flood started from Grísmfjall volcano caldera. This is not a dangerous glacier flood due to its small size. There is however a danger from sulphur gases and other gases that dissolve when the pressure is dropped … Continue reading

Posted in Glacier flood, Grímsvötn / Grímsfjall, Harmonic tremors, Monitoring, Toxic, Volcano | 31 Comments

New dyke intrusion in Katla volcano

Yesterday (01-May-2015) a minor dyke intrusion took place in Katla volcano. This dyke had depth down to 26,9 km and up to 18,5 km. This is the second dyke intrusion in this are in short space of time. Largest earthquake … Continue reading

Posted in Dyke intrusions, Earthquakes, Grímsvötn / Grímsfjall, Katla / Mýrdalsjökull, Magma, Monitoring, Mountain, Swarm, Volcano | 14 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