Category Archives: Unconfirmed

Possible glacier flood from Grímsfjall/Grímsvötn glacier lake (Unconfirmed)

Posted on June 17, 2012 by Jón Frímann

There seems to be a glacier flood did start this morning in Grímsfjall glacier lake. Based on the tremor, the glacier flood is already subsiding or something of that nature. So far this glacier flood has not yet … Continue reading →

Posted in Glacier flood, Glacier quakes, Grímsvötn / Grímsfjall, Harmonic tremors, Unconfirmed, Volcano | 12 Comments

Special report: New eruption vent (or vents) might have opened up in El Hierro volcano eruption

Posted on October 30, 2011 by Jón Frímann

The current tremor data now suggests that a new vent or vents have opened or are about to open up just outside north-west coast of El Hierro volcano. The depth where the main earthquakes have been taking place … Continue reading →

Posted in Canary Islands, Dike intrusions, Earthquakes, El Hierro, Eruptions, Fissures, Harmonic tremors, Lava, Magma, Monitoring, Rift Zone, Spain, Special report, Swarm, Tremor plots, Unconfirmed, Video | 654 Comments

Minor harmonic tremor in Katla volcano

Posted on August 31, 2011 by Jón Frímann

There seems to have been minor harmonic tremor in Katla volcano this evening. This harmonic tremor seems to have started after a ML0.7 earthquake with the depth of ~3.7 km did happen inside the Katla volcano caldera. Last … Continue reading →

Posted in Dike intrusions, Harmonic tremors, Katla / Mýrdalsjökull, Magma, Monitoring, Unconfirmed, Volcano | 67 Comments

Possible minor eruption in Hamarinn volcano yesterday. Update on Katla volcano

Posted on July 14, 2011 by Jón Frímann

There appears to be more in this new hydrothermal activity in Hamarinn volcano then at first sight. It seems that this actually might have a eruption in Hamarinn volcano (Bárðarbunga volcano). If this event is confirmed, this is … Continue reading →

Posted in Bárðarbunga, Dike intrusions, Earthquakes, Eruptions, Glacier flood, Hamarinn, Harmonic tremors, Magma, Monitoring, Speculation, Swarm, Unconfirmed, Volcano | 161 Comments

Sharp increase in harmonic tremors in Grímsfjall volcano

Posted on May 21, 2011 by Jón Frímann

Something is happening at Grímsfjall volcano. The SIL seismomter on Grímsfjall volcano is shows a sharp increase in harmonic tremors in Grímsfjall volcano. It also appears that earthquake activity in increasing in Grímsfjall volcano. I do believe (based … Continue reading →

Posted in Eruptions, Grímsvötn / Grímsfjall, Harmonic tremors, Unconfirmed, Volcano | 6 Comments

A small ash plume over Eyjafjallajökull volcano today ?

Posted on December 28, 2010 by Jón Frímann

A few of my readers reported today in comments that they did see a small ash plume or something of that nature today over Eyjafjallajökull volcano. While I stress that this is still unconfirmed at this stage it … Continue reading →

Posted in Eyjafjallajökull, Unconfirmed, Volcano | 81 Comments