Category Archives: Swarm

Earthquake swarm west of Langjökull glacier

Yesterday (28-September-2017) a earthquake swarm has been taking place west of Langjökull glacier, it is close to a volcano named Presthnjúkar. It is the same system and inside its fissure swarm. The area in question has known faults from the … Continue reading

Posted in Earthquakes, Hafrafell, Langjökull, Swarm, Volcano | 1 Comment

Earthquake activity in Öræfajökull and Kverkfjöll volcano

Since this volcanoes are in the same part of Iceland I am going to write about them in the same article. Öræfajökull volcano I don’t think this was a glacier earthquake activity happening in Öræfajökull volcano. I don’t know how … Continue reading

Posted in Dyke intrusions, Earthquakes, Kverkfjöll, Magma, Monitoring, Öræfajökull, Swarm, Volcano | 17 Comments

Two strong earthquakes in Bárðarbunga volcano

Today (17-September-2017) at 14:23 UTC two magnitude 3,9 earthquakes happened in Bárðarbunga volcano. This earthquake activity was at the north-east part of Bárðarbunga volcano caldera where earthquake activity has been taking place since September-2015. This earthquake activity is happening due … Continue reading

Posted in Bárðarbunga, Earthquakes, Inflation, Magma, Monitoring, Swarm, Volcano, Þórðarhyrna | 14 Comments

Sharp increase in earthquake activity in Öræafjökull volcano

There has been increasing earthquake activity in Öræfajökull volcano in recent months. This increase is slow but it seems to be happening at faster phase to my surprise. For the first time the earthquake activity forms a direction along a … Continue reading

Posted in Earthquakes, Magma, Monitoring, Öræfajökull, Swarm, Volcano | 13 Comments

Strong earthquake swarm in Bárðarbunga volcano during the night (of 7-September-2017)

During the night of 7-September-2017 strong earthquake swarm happened in Bárðarbunga volcano. Largest earthquake had the magnitude of 4,5 and the second largest earthquake had the magnitude of 4,1. Other earthquakes where smaller in magnitude. This is the strongest earthquake … Continue reading

Posted in Bárðarbunga, Earthquakes, Magma, Monitoring, Swarm, Volcano | 9 Comments

Minor earthquake swarm on Reykjanes ridge close to Geirfuglasker island

Yesterday (22-August-2017) a minor earthquake swarm took place not far from Geirfulgasker island on the Reykjanes ridge (no GVP profile). This was a minor earthquake swarm as it was detected by Icelandic Met Office SIL network. There is a chance … Continue reading

Posted in Earthquakes, Magma, Monitoring, Reykjanes Ridge, Swarm, Volcano | 20 Comments

Medium sized earthquake swarm in Brennisteinsfjöll volcano

Today (21-August-2017) during the night an earthquake swarm took place just east of Brennisteinsfjöll volcano. The area in question is in part inside Brennisteinsfjöll volcano fissure swarm. Part of the area is outside any known volcano. The last night earthquake … Continue reading

Posted in Breinnisteinsfjöll, Earthquakes, Magma, Monitoring, Swarm, Volcano | 8 Comments

Earthquake activity in Breinnisteinsfjöll volcano

Since the weekend there has been a earthquake swarm ongoing in Breinnisteinsfjöll volcano (Wikipedia link). This earthquake swarm has not been strong in magnitude of the earthquakes happening, with largest magnitude just at 2,8 and all other earthquakes being smaller … Continue reading

Posted in Breinnisteinsfjöll, Earthquakes, Magma, Monitoring, Reykjanes, Swarm, Volcano | 7 Comments

Minor earthquake swarm on Reykjanes ridge not far off the coast

Yesterday (14-August-2017) and today (15-August-2017) there has been a minor earthquake activity around 60 km off the coast on Reykjanes ridge. The area has a volcano (not named as such), but the area is often named after island named Eldeyjarboði. … Continue reading

Posted in Earthquakes, Monitoring, Reykjanes Ridge, Swarm, Volcano | 4 Comments

Short analyse of events of Katla volcano 28th and 29th of July-2017

Icelandic Met Office released interesting graphs of the activity in Katla volcano during the 28th and 29th of July-2017. It gives clues to what might happen just before an eruption in Katla volcano. Harmonic tremor pulses On the 28th of … Continue reading

Posted in Analyse, Earthquakes, Katla / Mýrdalsjökull, Magma, Monitoring, Swarm, Volcano | 141 Comments