Monthly Archives: May 2011

Eruption in Grímsfjall volcano is over

According to the news at mbl.is the eruption in Grímsfjall volcano did end at 07:00 UTC on the 28. May 2011. But that was when the last harmonic tremor was seen on Icelandic Met Office SIL stations. There … Continue reading

Posted in Grímsvötn / Grímsfjall, Harmonic tremors, Inflation, Volcano, Volcano ash | 88 Comments

Eruption in Grímsvötn appears to be over (hopefully correct this time around)

It appears that the eruption in Grímsvötn / Grímsfjall volcano is over or is about to end, but authorities in Iceland might not declare the eruption over until after next weekend. No ash plume has been observed for … Continue reading

Posted in Earthquakes, Eruptions, Grímsvötn / Grímsfjall, Inflation, Magma, Monitoring, Volcano, Volcano ash | 67 Comments

Explosions are still taking place in Grímsvötn crater

While the activity has almost stopped in Grímsfjall volcano, but there are still explosions taking place in Grímsvötn lake where the eruption took place due to magma going up, explosions take place all over the fissure at random … Continue reading

Posted in Ash cloud, Deflation, Earthquakes, Eruptions, GPS data, Magma, Monitoring, Volcano, Volcano ash | 94 Comments

The eruption in Grímsvötn / Grímsfjall volcano most likely not over

Here is a interesting paradox. While the eruption it self has currently stopped in Grímsfjall volcano. The tremor chart around Grímsfjall volcano is still acting like there is a eruption ongoing. I do not know why this is … Continue reading

Posted in Ash cloud, Earthquakes, Eruptions, Grímsvötn / Grímsfjall, Magma, Monitoring, Volcano | 181 Comments

Grímsvöt eruption appears to be over

Given the current tremor plot on Icelandic Met Office and with reports it seems that the eruption in Grímsvötn (Grímsfjall volcano) is about to be over for now. It is impossible to know if the eruption is going … Continue reading

Posted in Ash cloud, Dyke intrusions, Earthquakes, Grímsvötn / Grímsfjall, Harmonic tremors, Magma, Volcano, Volcano ash | 86 Comments

Less powerful eruption in Grímsvötn / Grímsfjall volcano

It has been reported in the news that the eruption in Grímsfjall volcano (also known as Grímsvötn) is getting less powerful as the time passes. This is perfectly normal for an eruption in Grímsfjall volcano. This can also … Continue reading

Posted in Ash cloud, Earthquakes, Eruptions, Grímsvötn / Grímsfjall, Magma, Volcano, Volcano ash | 34 Comments

General overview of Grímsvötn eruption on 23. May 2011 at 20:33 UTC

This is a general overview of Grímsvötn eruption on 23. May 2011 at 20:33 UTC. Ash cloud: The ash cloud is still going strong. It is however a bit lower then in first few days. Measurements of the … Continue reading

Posted in Ash cloud, Earthquakes, Eruptions, Fissures, GPS data, Grímsvötn / Grímsfjall, Harmonic tremors, Magma, Monitoring, SIL Network, Volcano, Volcano ash, Volcano News | 144 Comments

Few harmonic tremor charts of Grímsvötn eruption

Here are few harmonic tremor charts from the Grímsfjall volcano / Grímsvatn eruption. It can clearly be seen where the eruption looses strength for an few hours. It is also clear when the eruption starts to regain it’s … Continue reading

Posted in Eruptions, Grímsvötn / Grímsfjall, Harmonic tremors, Volcano | 140 Comments

Grímsfjall/Grímsvötn volcano eruption update at 21:54 UTC

This is a minor update to the Grímsfjall volcano / Grímsvötn eruption. Process of the eruption: The harmonic tremor on the SIL stations around Grímsvötn is increasing again after it did drop a little bit down earlier today. … Continue reading

Posted in Ash cloud, Earthquakes, Eruptions, Grímsvötn / Grímsfjall, Magma, Volcano ash | 15 Comments

Grímsfjall/Grímsvötn volcano eruption update at 16:02 UTC

Here is the second update today of the Grímsfjall volcano. But it is also known as Grímsvötn. Process of the eruption: The eruption has not changed a lot since this morning. But its power has dropped a little … Continue reading

Posted in Ash cloud, Eruptions, Grímsvötn / Grímsfjall, Volcano, Volcano ash | 71 Comments