Category Archives: TFZ

Minor earthquake swarm on TFZ (Tjörnes Fracture Zone)

During the night of 22-December-2017 a minor earthquake swarm took place south-east of Flatey Island on TFZ (Tjörnes Fracture Zone). This was not a large earthquake swarm. The earthquake swarm south-east of Flatey Island on TFZ. Copyright of this image … Continue reading

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Small earthquake swarm in western Tjörnes Fracture Zone (TFZ)

During the night of 6-December-2017 there was a small earthquake swarm on western part of Tjörnes Fracture Zone (TFZ). Few earthquakes happened and the largest one had a magnitude of 3,1 and was felt in Siglufjörður village and Ólafsvík village. … Continue reading

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Magnitude 3,4 earthquake in Tjörnes Fracture Zone during the night

At 01:01 UTC on 18-November-2017 there was a magnitude 3,4 earthquake in western part of the Tjörnes Fracture Zone. A foreshock of magnitude 2,2 occurred at 00:30 UTC. Only this two earthquakes happened at this location north of Siglufjörður village. … Continue reading

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One magnitude 3,7 earthquake in western TFZ

Yesterday (13-November-2017) at 07:36 UTC a magnitude 3,7 earthquake took place in western Tjörnes Fracture Zone. There where no aftershocks following this earthquake or any other earthquake activity. The magnitude 3,7 took place where the green star is. Copyright of … Continue reading

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Earthquake swarm in TFZ close to Kópasker village

Today (08-November-2017) a small earthquake swarm happened west of Kópasker village. Largest earthquake in this swarm had magnitude of 3,0 and the second largest magnitude was 2,2 (foreshock). The earthquake activity in TFZ. The green star shows the location of … Continue reading

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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