Overview of Earthquake activity

Earthquake activity throughout the country is described in a weekly summary that is written by a Natural Hazard Specialist. The weekly summary is published on the web every Tuesday. It covers the activity of the previous week in all seismic areas and volcanic systems in the country. If earthquake swarms are ongoing or significant events such as larger earthquakes have occurred during the week, they are specifically discussed. 

Weekly overview

Weekly overview July 1st to 7th, Week 27, 2024.

More than 510 earthquakes were located by IMO‘s SIL seismic network in Week 27, from July 1st to July 7th 2024. Four earthquakes above M3.0 were measured in week 27, one of them was mesured in western part of Langjökull glacier, just norðeast of Geitlandsjökull glacier but around 300 events were measured there on July 3rd. Another large earthquake was measured by Lambafell in the easternmost part of the Reykjanes Peninsula on July 5th where a small earhquake swarm of 60 events were located in the same approximate location. On the same day July 5th arund 10 earthquakes were measured about 90km WSW of Reykjanes, two events there were above M3.0 including the largest earthquake this week of M3.4.

News on activity near the town of Grindavík can be found here.

Weekly overview June 24 to June 30, in Week 26 2024

Around 390 earthquakes were located by IMO‘s SIL seismic network in Week 26, June 24 and June 30. Upflift continues in Svartsengi with minor seismic activity. The largest earthquakes this week measured M3.4 and M3.1. The former occured in Bárðarbunga on June 30 and the latter southeast of Heiðmörk on June 25. About 10 earthquakes were detected in Öræfajökull, the largest a M1.7.

Further news on the ongoing activity near Grindavík can be found here and is updated regularly.

For more detailed earthquake activity: Skjálfta Lísa

Weekly overview June 17- to June 23, Week 25, 2024.

Around 500 earthquakes were located by IMO‘s SIL seismic network in Week 25, June 17 and June 23. The volcanic eruption near Grindavík ended on the 22 June. The largest earthquakes this week measured M3.3 and M3.1. The former occured in Mýrdalsjökull at 21:26 the 19 June and the latter occured at 22:42 at Brennisteinsfjöll the 23 June. A short lived seismic swarm occured in Askja the 17-18 June, the largest earthquake detected was a M1.6.

Further news on the ongoing activity near Grindavík can be found here and is updated regularly.

Weekly overview June 10th to June 16th, Week 24, 2024.

Around 350 earthquakes were located by IMO‘s SIL seismic network in Week 24, June 10th to June 16th. The largest earthquakes were located on Reykjanes Ridge on the 15th of june, 2.87 and 2.74 of magnitude, and in Bárðarbunga on the 13th of june which was magnitude 2.79. The seismicity this week has seen very normal seismicity in Iceland.

In the dyke near Grindavík the seismicity has been close to none since the eruption started, which is to be expected when an eruption is ongoing.

Further news on the ongoing activity near Grindavík can be found here and is updated regularly.







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