Category Archives: Dyke intrusions

Earthquake swarm in Kolbeinsey island

Posted on May 25, 2017 by Jón Frímann

Yesterday (24-May-2017) and today (during the night of 25-May-2017) there was an earthquake swarm in Kolbeinsey island. Largest earthquakes had the magnitude of 3,6 (x2) and one magnitude 3,5 earthquake took place. Other earthquakes where smaller in magnitude. No harmonic … Continue reading →

Posted in Dyke intrusions, Earthquakes, Kolbeinsey Island, Kolbeinsey Ridge, Magma, Monitoring, Swarm, Volcano | 1 Comment

Possible dyke intrusion in Þórðarhyrna volcano

Posted on March 5, 2017 by Jón Frímann

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

Continued and strong earthquake activity north of Kolbeinsey Island

Posted on February 17, 2017 by Jón Frímann

For the past few weeks something has been going on in the deep ocean far north of Kolbeinsey Island. The area north of Kolbeinsey Island has been having strong earthquake swarms for several weeks now, what is creating them is … Continue reading →

Posted in Dyke intrusions, Earthquakes, Kolbeinsey Island, Kolbeinsey Ridge, Magma, Monitoring, Swarm, Volcano | 8 Comments

Deep earthquakes in Bárðarbunga volcano

Posted on November 29, 2016 by Jón Frímann

Over the past few hours a sequence of deep earthquakes has been taking place in Bárðarbunga volcano. The depth of those earthquakes is from 19 km and up to 11 km, how they spread out suggesting a dyke intrusion in … Continue reading →

Posted in Bárðarbunga, Dyke intrusions, Earthquakes, Magma, Monitoring, Swarm, Volcano | 8 Comments

Increased activity in Öræfajökull volcano noticed

Posted on June 17, 2016 by Jón Frímann

It has been noticed that earthquake activity in Öræfajökull volcano is slowly increasing. At the moment this increase is just in the form of minor earthquakes taking place in the volcano at 5 – 10 km depth (at the moment). … Continue reading →

Posted in Dyke intrusions, Earthquakes, Esjufjöll, Magma, Monitoring, Öræfajökull, Volcano | 16 Comments

What is going on in Bárðarbunga volcano – basic analyse

Posted on May 25, 2016 by Jón Frímann

This the first analyse article that I’m going to write. It is going to a short one and not written over few days, as is the plan to have them in the future. The reason for this is that this … Continue reading →

Posted in Analyse, Bárðarbunga, Dyke intrusions, Earthquakes, Magma, Monitoring, Volcano | 14 Comments

Magnitude 4,4 earthquake in Bárðarbunga volcano

Posted on May 20, 2016 by Jón Frímann

Today (20-May-2016) a magnitude 4,4 earthquake took place in Bárðarbunga volcano. This is the strongest earthquake so far since the end of the eruption in February-2015. This earthquake swarm also had two magnitude 3,3 earthquakes. Other earthquakes where smaller in … Continue reading →

Posted in Bárðarbunga, Dyke intrusions, Earthquakes, Magma, Monitoring, Swarm, Volcano | 28 Comments

Magnitude 4,2 earthquake in Bárðarbunga volcano

Posted on April 8, 2016 by Jón Frímann

Shortly after midnight of 8-April-2016 a magnitude 4,2 earthquake took place in Bárðarbunga volcano. This earthquake activity was shallow, most depth was around 3 to 5 km. Few earthquakes took place at 7 to 11 km depth, suggesting a magma … Continue reading →

Posted in Bárðarbunga, Dyke intrusions, Earthquakes, Magma, Monitoring, Swarm, Volcano | 21 Comments

Deep earthquake activity in Askja volcano

Posted on April 7, 2016 by Jón Frímann

Yesterday (06-April-2016) a swarm of deep earthquakes took place in Askja volcano. None of the earthquakes that took place where large in magnitude, with the largest one having a magnitude of 1,6. Earthquake activity in Askja volcano, close to Dreka … Continue reading →

Posted in Askja, Dyke intrusions, Earthquakes, Magma, Monitoring, Swarm, Volcano | 3 Comments

Earthquake activity in Bárðarbunga and Grímsfjall volcanoes

Posted on March 18, 2016 by Jón Frímann

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