Category Archives: Dyke intrusions

Earthquake activity in Öræfajökull and Kverkfjöll volcano

Posted on September 23, 2017 by Jón Frímann

Since this volcanoes are in the same part of Iceland I am going to write about them in the same article. Öræfajökull volcano I don’t think this was a glacier earthquake activity happening in Öræfajökull volcano. I don’t know how … Continue reading →

Posted in Dyke intrusions, Earthquakes, Kverkfjöll, Magma, Monitoring, Öræfajökull, Swarm, Volcano | Leave a comment

Glacier cauldrons at top of Bárðarbunga volcano caldera rim

Posted on September 3, 2017 by Jón Frímann

During the eruption in Bárðarbunga volcano and the collapse of the caldera. A hydrothermal activity was seen on top of Bárðarbunga volcano caldera. Since the eruption in Holuhraun ended in February-2015 this hydrothermal activity has dropped, it has increased if … Continue reading →

Posted in Bárðarbunga, Dyke intrusions, Magma, Monitoring, Volcano | 16 Comments

Katla volcano update article of 29-July-2017

Posted on July 29, 2017 by Jón Frímann

This article is going to be updated as activity continues in Katla volcano today on 29-July-2017. If an eruption starts (big one) a new article is going to be written for that event. Overview of the activity during the night … Continue reading →

Posted in Dyke intrusions, Earthquakes, Eruptions, Glacier flood, Harmonic tremors, Katla / Mýrdalsjökull, Magma, Monitoring, Swarm, Volcano | 39 Comments

Update on Reykjanes peninsula earthquake swarm (Fagradalsfjall mountain)

Posted on July 28, 2017 by Jón Frímann

Since 26-July-2017 there has been a earthquake swarm on Reykjanes peninsula close to a mountain called Fagradalsfjall. This earthquake swarm has been one of the larger ones in the area in recent years. Total number of earthquakes that have been … Continue reading →

Posted in Dyke intrusions, Earthquakes, Magma, Monitoring, Reykjanes, Swarm | 1 Comment

Ongoing earthquake activity north-east of Flatey in Skjálfanda fjord (north-east Iceland)

Posted on July 8, 2017 by Jón Frímann

Earthquake activity that started in March 2017 in TFZ (Tjörnes Fracture Zone) is ongoing. I don’t know yet how many earthquakes have happened so far, but at last check Icelandic Met Office reported that the mark was at 800 and … Continue reading →

Posted in Dyke intrusions, Earthquakes, Flatey á Skjálfanda, Magma, Monitoring, Swarm, TFZ, Tjörnes Fracture Zone | 9 Comments

Earthquake activity in Öræfajökull volcano (13-June-2017)

Posted on June 13, 2017 by Jón Frímann

Today (13-June-2017) a magnitude 2.6 earthquake took place in Öræfajökull volcano. This is the largest earthquake in this volcano for a long time now and it is worth noting that Öræfajökull volcano normally doesn’t have any earthquake activity. This suggests … Continue reading →

Posted in Dyke intrusions, Earthquakes, Magma, Öræfajökull, Volcano | 8 Comments

Weekly earthquake in Bárðarbunga volcano (12-June-2017)

Posted on June 12, 2017 by Jón Frímann

Today (12-June-2017) a magnitude 3,6 earthquake took place in Bárðarbunga volcano. This earthquake activity is mostly normal for Bárðarbunga volcano, there has been slight increase in earthquake activity in Bárðarbunga volcano during the past few days (minor earthquakes), why that … Continue reading →

Posted in Bárðarbunga, Dyke intrusions, Earthquakes, Monitoring, Swarm, Volcano | 2 Comments

Deep earthquake activity in Trölladyngja (volcano)

Posted on June 8, 2017 by Jón Frímann

Today (08-June-2017) there have been deep earthquakes in Trölladyngja (volcano). This earthquake swarm was shallower than last earthquake swarm that took place in Trölladyngja. Several months ago the earthquakes in Trölladyngja where happening at 28 km depth, but now they … Continue reading →

Posted in Bárðarbunga, Dyke intrusions, Earthquakes, Magma, Swarm, Trölladyngja, Volcano | Comments Off

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 →