Author Archives: Jón Frímann

New swarm of deep earthquakes in Katla volcano

This morning (20-May-2015) a swarm of deep earthquakes took place in Katla volcano. This earthquake activity was at depth and it means that magma was moving or dyke intrusion taking place at depth. Earthquake activity in Katla volcano … Continue reading

Posted in Dyke intrusions, Earthquakes, Katla / Mýrdalsjökull, Magma, Monitoring | 19 Comments

Warning of man made earthquakes in Hengill volcano

Almannavarnir put out a warning yesterday (19-May-2015) about increased risk of man made earthquakes in Hengill volcano. This happens when a water is pumped down into the ground it changes the pressure in the rock and creating earthquakes … Continue reading

Posted in Earthquakes, Hengill, Swarm | Leave a comment

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 … Continue reading

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

How Bárðarbunga volcano collapsed

There is a good article about how Bárðarbunga volcano collapsed during it’s six month long eruption in Holuhraun. The most recent data (the work on Bárðarbunga volcano is far from over even there is no eruption taking place … Continue reading

Posted in Bárðarbunga, Caldera, Collapse, Magma, Volcano | 30 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 … Continue reading

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

Risk of rock collapse in Ketilbjörg cliffs

There is currently a high risk of rock collapse in Ketilbjörg cliffs in north-west Iceland. This area is located north of Sauðárkrókur town. The area is now extremely dangerous due to the fact that the rock can fall … Continue reading

Posted in Landslide | 14 Comments

Landslide in Dyrhólaey island

It was noticed today that a landslide took place in Dyrhólaey island. This landslide is not big, but it cut a hiking path that goes close to the cliff edge in this area. Most of the rock in … Continue reading

Posted in Landslide | Comments Off on Landslide in Dyrhólaey island

Earthquake activity in Askja volcano

During the week there has been a swarm of minor earthquakes in Askja volcano. All of the earthquakes have been small and none have reached magnitude 2,0 far as I know. Askja volcano is the volcano most south … Continue reading

Posted in Askja, Earthquakes, Hydrothermal, Monitoring, Swarm, Volcano | 3 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. … Continue reading

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

Dyke intrusion in Bárðarbunga volcano

Today (30-April-2015) a minor dyke intrusion took place in Bárðarbunga volcano. This dyke intrusion was small and appears to be over for now. This does show that current activity in Bárðarbunga volcano is not over even if the … Continue reading

Posted in Bárðarbunga, Dyke intrusions, Earthquakes, Magma, Monitoring, Swarm, Volcano | 20 Comments