• Strongest earthquake since 1991 and glacial outburst flood at Grímsvötn volcano, Iceland

    A glacial outburst flood has begun at Grímsvötn volcano, located beneath the Vatnajökull glacier in Iceland. In addition, the volcano was hit by a M4.3 earthquake on January 11 — the strongest since measurements began in 1991. Glacial outburst floods are known to increase the likelihood of volcanic eruptions. As a result, the Aviation Color Code for the volcano has been raised to Yellow.

  • Large fissure opens up in Grímsfjall, Iceland

    A large fissure opened up last week in the southern part of Grímsfjall, near Grímsvötn subglacial volcano in Iceland. Pictures show that there’s a lot of hydrothermal activity in this fissure, but there is no eruption at this moment.

  • Increased seismicity under Grímsvötn volcano, Aviation Color Code raised to Yellow, Iceland

    Increased seismicity was detected under Grímsvötn volcano in SW Iceland on August 2, 2022, forcing the Icelandic Meteorological Office (IMO) to raise the Aviation Color Code for the volcano to Yellow. This is now the third volcano in Iceland with Yellow Aviation Color Code in effect – after Askja and Krysuvik. The last eruption of this volcano took place in 2011.

  • Grímsvötn volcano ready to erupt, Iceland

    According to Benedikt Gunnar Ófeigsson, deformation scientist at the Icelandic Met Office (IMO), there is every indication that the Grímsvötn volcano is ready to erupt. The last eruption of this volcano took place in 2011 — it was a large and…