Category Archives: History

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

List of known eruptions in Grímsfjall volcano and connected volcanoes

Posted on March 23, 2012 by Jón Frímann

Here is an list of eruptions in Grímsfjall volcano and Þórðarhyrna volcano based on data from Global Volcanism Program and documented eruptions. In most cases, eruptions that took place in the early 10 to 16th century are poorly … Continue reading →

Posted in Eruptions, Grímsvötn / Grímsfjall, History, Volcano | 18 Comments

Historical eruption of Grímsfjall volcano of the year 1783 to 1785

Posted on March 22, 2012 by Jón Frímann

The year 1783 is something that is going to live in historical memory of the Icelandic people for long time to come. The historical memory of Icelanders still remember the eruption of Laki that took place 229 years … Continue reading →

Posted in Eruptions, Grímsvötn / Grímsfjall, History, Volcano, Þórðarhyrna | 10 Comments

Short overview of volcano eruptions in Canary Islands

Posted on December 15, 2011 by Jón Frímann

Here is an short overview of volcano activity in Canary Islands during the past 1000 years. But I do not want to go any more back in time. But this is similar to what I did about Iceland … Continue reading →

Posted in Canary Islands, El Hierro, Fuerteventura, Gran Canaria, History, La Palma, Lanzarote, Spain, Tenerife, Volcano | 47 Comments

Few right and wrong things about geology in Iceland, part 1

Posted on August 21, 2011 by Jón Frímann

I have seen many speculations on how geology works in Iceland. Some of it is good and based on observation and factual basic. Other however is nothing but speculation and far from anything based on factual evidence on … Continue reading →

Posted in Eruptions, History, Iceland, Interaction, Lava, Magma, Research, Reykjanes, Reykjanes Ridge, Rift Zone, SISZ, Speculation, Volcano | 59 Comments

One year since the second phase of Eyjafjallajökull volcano eruption started

Posted on April 13, 2011 by Jón Frímann

When the Hawaiian phase of the eruption in Eyjafjallajökull volcano finished many people did believe and think that the eruption in Eyjafjallajökull volcano was over for a long time. But they where to proven wrong about 23:30 UTC … Continue reading →

Posted in Eyjafjallajökull, History, Volcano | 7 Comments

A short history of volcano eruptions in Iceland

Posted on April 3, 2011 by Jón Frímann

Here is a short list of known eruptions in Iceland since the year 900 (or around that time). There might be missing eruptions because of lack of historical data. This list might not be completed from the reference … Continue reading →

Posted in Askja, Bárðarbunga, Eruptions, Grímsvötn / Grímsfjall, Hamarinn, Hekla, Hengill, History, Katla / Mýrdalsjökull, Krýsuvík, Kverkfjöll, Reykjanes, Reykjanes Ridge, Torfajökull, Volcano | 3 Comments

A short history of earthquake activity on South Icelandic Seismic Zone (SISZ)

Posted on April 2, 2011 by Jón Frímann

Here is a short overview of the activity on the South Icelandic Seismic Zone (SISZ) since Icelanders started to document it’s activity history. The oldest record of a large earthquake on SISZ is from the year 1103. In … Continue reading →

Posted in Earthquakes, Hekla, Hengill, History, Krýsuvík, Reykjanes, SISZ | 17 Comments