Category Archives: TFZ

Strong earthquake swarm in Tjörnes Fracture Zone this morning (19-October-2017)

Today (18-October-2017) at 06:00 UTC (Icelandic time) people of Grímsey Island got a rude awaking when a magnitude 3,8 to 3,9 earthquake took place. At 05:01 UTC a magnitude 2,9 earthquake had taken place. For the past 48 hours total … Continue reading

Posted in Earthquakes, Monitoring, Swarm, TFZ, Tjörnes Fracture Zone | 7 Comments

Ongoing earthquake swarm in Tjörnes fracture zone (TFZ)

Currently there is an ongoing earthquake swarm in Tjörnes Fracture Zone. This earthquake swarm has been going on since 05-October-2017. Over 120 earthquakes have happened so far. Largest earthquakes have had the magnitude of 3,9 (05-October), 3,5 (06-October), 3,0 (06-October). … Continue reading

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Earthquake swarm in Tjörnes Fracture Zone (east of Grímsey Island)

Yesterday (01-October-2017) an earthquake swarm took place in Tjörnes Fracture Zone east of Grímesy Island. Largest earthquake in this swarm had the magnitude of 2,6 all other earthquakes where smaller in magnitude. The earthquake swarm in Tjörnes Fracture Zone yesterday. … Continue reading

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Ongoing earthquake activity north-east of Flatey in Skjálfanda fjord (north-east Iceland)

Earthquake activity that started in March 2017 in TFZ (Tjörnes Fracture Zone) is ongoing. I don’t know yet how many earthquakes have happened so far, but at last check Icelandic Met Office reported that the mark was at 800 and … Continue reading

Posted in Dyke intrusions, Earthquakes, Flatey á Skjálfanda, Magma, Monitoring, Swarm, TFZ, Tjörnes Fracture Zone | 9 Comments

Fluid reason for earthquake swarm north-east of Flatey in Skjálfanda, Tjörnes Fracture Zone

In March-2017 an earthquake swarm started north-east of Flatey in Skjálfanda in Tjörnes Fracture Zone. This earthquake swarm is ongoing as is. Largest earthquake this this swarm only has the magnitude of 2,5. All other earthquakes have been smaller in … Continue reading

Posted in Earthquakes, Flatey á Skjálfanda, Swarm, TFZ | 3 Comments

Earthquake swarm in Tjörnes Fracture Zone east of Grímsey island

Today (09-June-2017) there has been a earthquake swarm in Tjörnes Fracture Zone east of Grimsey island. This was fairly large earthquake swarm in number of earthquakes that happened. Largest magnitude that happened was 2,2 and second largest was 2,1. All … Continue reading

Posted in Earthquakes, Monitoring, Swarm, TFZ, Tjörnes Fracture Zone | 1 Comment

Earthquake activity in Tjörnes Fracture Zone (TFZ)

For the past month (or so) there has been a constant earthquake activity close to Flatey island on the Tjörnes Fracture Zone (TFZ). This earthquake swarm has not been strong, with majority of the earthquakes only having the magnitude of … Continue reading

Posted in Earthquakes, Monitoring, Swarm, TFZ, Tjörnes Fracture Zone | 9 Comments

Earthquake swarm under Grímsey island (Tjörnes Fracture Zone)

Yesterday (25.01.2016) there was an earthquake activity directly under Grímsey island (Wikipedia information). Earthquake swarms directly under Grímsey islands are uncommon, but they do happen from time to time. Current earthquake swarm is getting close to a mid-range scale (as … Continue reading

Posted in Earthquakes, Monitoring, Swarm, TFZ | 3 Comments

Two minor earthquake swarms on TFZ

Over the past two days minor earthquake swarms have been taking place on the TFZ. Largest earthquake in this swarm had the magnitude of 3,0. The earthquake activity in TFZ. Copyright of this image belongs to Icelandic Met Office. There … Continue reading

Posted in Earthquakes, Monitoring, Swarm, TFZ | 1 Comment

Minor earthquake activity on TFZ (Tjörnes Fracture Zone)

It is quiet in Iceland at the moment. Nothing much to report, so I’m reporting this minor earthquake activity in TFZ. Few earthquakes have happened in TFZ for the last 48 hours, most earthquakes have been small and the largest … Continue reading

Posted in Earthquakes, TFZ | 4 Comments