Category Archives: Grímsvötn / Grímsfjall

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 … Continue reading

Posted in Bárðarbunga, Dike intrusions, Earthquakes, Grímsvötn / Grímsfjall, Kverkfjöll, Magma, Monitoring, Swarm, Volcano, Þórðarhyrna | Comments Off

Earthquake swarm in Grímsfjall volcano

Today (27-March-2014) an earthquake swarm took place in Grímsfjall volcano. This activity is connected to current minor glacier flood from Grímsvötn glacier lake that is now taking place. The glacier flood it self is an minor and is … Continue reading

Posted in Dike intrusions, Earthquakes, Glacier flood, Grímsvötn / Grímsfjall, Harmonic tremors, Monitoring, Swarm, Website | 8 Comments

Increasing conductivity in Skeiðará glacier river (Grímsfjall volcano)

Since 20-January-2014 there has been increase in conductivity in Skeiðará glacier river that comes from Vatnajökull glacier. The reason for this change is that water is leaking from Grímsfjall volcano. Water levels have also been increasing and dropping … Continue reading

Posted in Glacier flood, Glacier quakes, Grímsvötn / Grímsfjall, Hydrothermal, Magma, Monitoring, Vatnajökull glacier, Volcano | 3 Comments

Rate of eruptions in Iceland

Donation note: I am currently working on a new solution for people to support my work and effort here. It is still possible to donate directly via Paypal by using my email address (jon…@jonfr.com) if you have Paypal … Continue reading

Posted in Donations, Eruptions, Eyjafjallajökull, Grímsvötn / Grímsfjall, Hamarinn, Katla / Mýrdalsjökull, Kverkfjöll, Volcano | Comments Off

Earthquake activity in several volcanoes

Today (04-September-2013) had some minor earthquake activity in several volcanoes in Vatnajökull glacier. All of this earthquakes were small and less than magnitude 3.0 in size. Kverkfjöll volcano The deepest earthquake activity was in Kverkfjöll, with earthquakes at … Continue reading

Posted in Dike intrusions, Earthquakes, Esjufjöll, Grímsvötn / Grímsfjall, Hamarinn, Kverkfjöll, Magma, Monitoring, Öræfajökull, Volcano | 1 Comment

Interesting earthquake swarm south of Grímsfjall volcano

Interesting earthquake activity took place in Vatnajökull glacier today (03.06.2013). This earthquake activity took place just south of Grímsfjall volcano, that last erupted in the year 2011. The earthquake activity south of Grímsfjall volcano. Copyright of this image … Continue reading

Posted in Earthquakes, Grímsvötn / Grímsfjall, Swarm, Vatnajökull glacier | Comments Off

Earthquake swarm east of Grímsey (TFZ) and in Grímsfjall volcano fissure swarm

Currently there is a minor earthquake swarm east of Grímsey Island in the Tjörnes Fracture Zone. So far the largest earthquake has had the magnitude of 2.9 according to Icelandic Meteorological Office reviewed earthquake overview. Earthquake swarms are … Continue reading

Posted in Earthquakes, Grímsvötn / Grímsfjall, Hamarinn, Swarm, TFZ, Volcano | 5 Comments

Comparison of volcano eruptions

When there is nothing going on in Iceland. It is good to prepare for the future by checking out what has happened in the past. Here is a comparison of harmonic tremor data from few past eruptions. I … Continue reading

Posted in Eyjafjallajökull, Glacier flood, Grímsvötn / Grímsfjall, Harmonic tremors, History, Katla / Mýrdalsjökull, Magma, Monitoring, Tremor plots, Volcano | Comments Off

Harmonic tremor level drops in Grímsfjall volcano

During the night. Harmonic tremor levels started to drop in Grímsfjall volcano. The reason for this harmonic tremor level increase remain unknown and unclear. But no volcano related activity has been seen or recorded so far in Grímsfjall … Continue reading

Posted in Earthquakes, Glacier flood, Grímsvötn / Grímsfjall, Harmonic tremors, Hydrothermal, Monitoring, Volcano | Comments Off

Unclear what is going on in Grímsfjall volcano

It is unclear what is going on in Grímsfjall volcano at this moment. Harmonic tremor level continue to rise. They are currently way above what is normal for minor glacier floods from Grímsfjall volcano. This might be a … Continue reading

Posted in Glacier flood, Grímsvötn / Grímsfjall, Harmonic tremors, Hydrothermal, Magma, Mountain, Volcano | 17 Comments