Category Archives: Fissures

Pictures of a old volcano rift zone

Posted on March 25, 2012 by Jón Frímann

Here is a picture of what remains of Snæfellsnes – Húnaþing Rift zone. But this rift zone was activity about 4 million years ago. I do not know why this part of the rift zone is visible. But … Continue reading →

Posted in Extinct volcanoes, Fissures, Magma, Snæfellsnes - Húnaþing Rift Zone | 3 Comments

Analysis of the Helgafell mountain earthquake on Reykjanes

Posted on March 7, 2012 by Jón Frímann

Icelandic Met Office has posted an interesting analysis of the last weeks earthquake on the Reykjanes. But this earthquakes where connected to Krýsuvík volcano activity. By relocating the earthquakes, it is possible for Iceland Met Office to see … Continue reading →

Posted in Earthquakes, Fissures, Krýsuvík, Reykjanes, Volcano | 42 Comments

New earthquake swarm in El Hierro volcano

Posted on February 4, 2012 by Jón Frímann

During the past few days there has been an earthquake swarm in El Hierro volcano in Canary Islands. Following this earthquake swarm there has been some increase in eruption activity. Resulting in some material reaching the surface of … Continue reading →

Posted in Canary Islands, Dike intrusions, Earthquakes, El Hierro, Fissures, Hydrothermal, Lava, Magma, Monitoring, Spain, Swarm, Volcano | 1 Comment

Random minor eruptions in El Hierro volcano

Posted on January 24, 2012 by Jón Frímann

It seems that the main eruption is over in El Hierro volcano, for now anyway. For the moment there are minor eruptions taking place in El Hierro volcano. This minor eruptions happen at random times and between them … Continue reading →

Posted in Canary Islands, Dike intrusions, El Hierro, Eruptions, Fissures, Harmonic tremors, Hydrothermal, Lava, Magma, Monitoring, Spain | 2 Comments

Renewed eruption activity in El Hierro volcano

Posted on January 6, 2012 by Jón Frímann

Since yesterday there has been an renewed eruption activity in El Hierro volcano. Harmonic tremor has not seen big increase however. This suggest that this new eruption so far is small and mot procuring a lot of lava … Continue reading →

Posted in Canary Islands, Dike intrusions, Earthquakes, El Hierro, Eruptions, Fissures, Harmonic tremors, Hydrothermal, Lava, Magma, Monitoring, Spain, Swarm, Volcano | 20 Comments

Eruption starts again then stops again in El Hierro volcano

Posted on January 4, 2012 by Jón Frímann

Few weeks ago the eruption in El Hierro volcano stopped for few hours. Before it did restart at lower levels for few days. Then it stopped again. This type of behavior is not so unexpected as it seems … Continue reading →

Posted in Canary Islands, Dike intrusions, Earthquakes, El Hierro, Eruptions, Fissures, Magma, Monitoring, Spain, Swarm, Volcano | 17 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

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

Sharp increase in eruption activity from El Hierro volcano

Posted on November 14, 2011 by Jón Frímann

This is a short update on El Hierro volcano. There has been a increase in harmonic tremor activity from El Hierro volcano. This suggest that new vent or vents might be opening up in El Hierro volcano. But … Continue reading →

Posted in Canary Islands, Dike intrusions, Earthquakes, El Hierro, Eruptions, Fissures, Harmonic tremors, Hydrothermal, Lava, Magma, Monitoring, Tremor plots, Volcano | 450 Comments