Author Archives: Jón Frímann

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 | 8 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

Magnitude 5,9 earthquake deep on the on the Reykjanes ridge on 10-September-2017

Yesterday (10-September-2017) at 21:40 UTC a magnitude (Mw) 5,9 earthquake (EMSC information here) took place deep south on the Reykjanes ridge. No aftershocks have appeared on USGS or EMSC that I am aware of. They must have happened but due … Continue reading

Posted in Earthquakes, Reykjanes Ridge | 9 Comments

Special report: The magnitude Mw8.1 earthquake in Mexico

This is a special report on the magnitude Mw8.1 earthquake in Mexico. It appears that the reason for the Mw8.1 earthquake in Mexico that part of the plate above the subduction zone broke during this earthquake (?). At the moment … Continue reading

Posted in Special report | 6 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

Glacier cauldrons at top of Bárðarbunga volcano caldera rim

During the eruption in Bárðarbunga volcano and the collapse of the caldera. A hydrothermal activity was seen on top of Bárðarbunga volcano caldera. Since the eruption in Holuhraun ended in February-2015 this hydrothermal activity has dropped, it has increased if … Continue reading

Posted in Bárðarbunga, Dyke intrusions, Magma, Monitoring, Volcano | 16 Comments

Deep earthquake activity south and east of Bárðarbunga volcano

Since the eruption ended in Holuhraun on 27-February-2015 there has been a regular earthquake activity and dike intrusions happening south of Bárðarbunga volcano (main). I am no good with editing images at the moment so I’m going to attempt to … Continue reading

Posted in Bárðarbunga, Earthquakes, Magma, Monitoring, Volcano | 4 Comments

Earthquake activity in Vestmannaeyjar island volcano (off the coast)

For the past two days there has been a minor earthquake activity in Vestmannaeyjar island volcano. This is the first time since 2015 an earthquake activity appears in Vestmanneyjar island volcano. This earthquake activity was minor, with largest earthquake only … Continue reading

Posted in Earthquakes, Magma, Monitoring, Vestmannaeyjar island, Volcano | 11 Comments

Strong earthquake activity in Bárðarbunga volcano during the night

During the night of 27-August-2017 two strong earthquakes took place in Bárðarbunga volcano. The two earthquakes had magnitude 3,8 at 01:42 UTC and magnitude 4,2 at 01:45 UTC. The second earthquake is the largest earthquake to happen since 02-August-2017 when … Continue reading

Posted in Bárðarbunga, Earthquakes, Magma, Monitoring, Volcano | 10 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