Category Archives: Tremor plots

Comparison of volcano eruptions

Posted on January 17, 2013 by Jón Frímann

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

Hydrothermal activity in El Hierro volcano

Posted on December 29, 2011 by Jón Frímann

For the moment the eruption in El Hierro volcano has ended. The current harmonic tremor that is being detected might well be from hydrothermal activity that is currently in the area that erupted. But even if the eruption … Continue reading →

Posted in Canary Islands, Dike intrusions, Earthquakes, El Hierro, Harmonic tremors, Hydrothermal, Lava, Magma, Monitoring, Spain, Swarm, Tremor plots, Volcano | 13 Comments

Eruption in El Hierro volcano ends

Posted on December 28, 2011 by Jón Frímann

It seems that the eruption that has been taking place in El Hierro volcano is over. All yesterday there was an increase in harmonic tremors in El Hierro volcano, suggesting that the power of the eruption was increasing … Continue reading →

Posted in Canary Islands, El Hierro, Fissures, Harmonic tremors, Lava, Magma, Monitoring, Spain, Tremor plots, Volcano | 25 Comments

Overview of activity in Iceland, Spain and Canary Islands

Posted on December 27, 2011 by Jón Frímann

This is a overview of activity in Iceland, Spain and Canary Islands. This is just an short overview. So not all events are included. But it has been quiet during the Christmas holidays. Iceland During the 24 to … Continue reading →

Posted in Canary Islands, Dike intrusions, Earthquakes, El Hierro, Eruptions, Hengill, Iceland, Katla / Mýrdalsjökull, Magma, Monitoring, Spain, Swarm, Tremor plots, Volcano | 9 Comments

Earthquake swarm in Bárðarbunga volcano

Posted on December 21, 2011 by Jón Frímann

During the night there was an small earthquake swarm in Bárðarbunga volcano. The largest earthquake in this earthquake swarm was ML3.04 in magnitude. It had the depth of 8.5 km. This might have been a n dike intrusion. … Continue reading →

Posted in Bárðarbunga, Earthquakes, Hamarinn, Iceland, Monitoring, Swarm, Tremor plots, Volcano | 8 Comments

Harmonic tremor continues to drop in El Hierro volcano

Posted on December 19, 2011 by Jón Frímann

It seems that currently the eruption in El Hierro volcano is coming to an end. I do not know if this is an permanent end to the current eruption or just an short break in it. The reports … Continue reading →

Posted in Canary Islands, Earthquakes, El Hierro, Eruptions, Lava, Magma, Monitoring, Spain, Tremor plots, Volcano | 7 Comments

Update for the eruption in El Hierro volcano

Posted on November 22, 2011 by Jón Frímann

As the eruption in El Hierro volcano moves closer to the second month. Information on what has been going on has gone bit hard to come by (for me anyway). As people settle with there new reality (erupting … Continue reading →

Posted in Canary Islands, Dike intrusions, Earthquakes, El Hierro, Eruptions, Fissures, Lava, Magma, Monitoring, Spain, Swarm, Tremor plots, Volcano | 47 Comments

Possibility of a new fissure has opened up in El Hierro volcano eruption

Posted on November 17, 2011 by Jón Frímann

It seems by the harmonic tremor data that a new erupting fissure has opened up somewhere in El Hierro volcano. But given lack of visual observation I do believe that this fissure is at really great depth, and … Continue reading →

Posted in Canary Islands, Dike intrusions, Earthquakes, El Hierro, Eruptions, Fissures, Inflation, Lava, Magma, Monitoring, Spain, Swarm, Tremor plots, Volcano | 252 Comments

Katla volcano newest earthquake swarm

Posted on November 16, 2011 by Jón Frímann

During the night of the 16th of November, 2011 there was a new earthquake swarm in Katla volcano. This earthquake swarm is a part of ongoing pattern in Katla volcano. This pattern started after the small eruption that … Continue reading →

Posted in Dike intrusions, Earthquakes, Iceland, Katla / Mýrdalsjökull, Magma, Monitoring, Swarm, Tremor plots, Volcano | 127 Comments

Analysis of the earthquake pattern in El Hierro volcan

Posted on November 15, 2011 by Jón Frímann

Please note that this is not a professional analysis of the recent earthquakes in El Hierro volcano. So it might be wrong. It also might not hold any science value at all. During the eruption of El Hierro … Continue reading →

Posted in Canary Islands, Dike intrusions, Earthquakes, El Hierro, Eruptions, Harmonic tremors, Lava, Magma, Monitoring, Swarm, Tremor plots, Volcano | 138 Comments