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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, September 9th - 15th - week 37 2024

In the 37th week of this year just under 500 earthquakes were detected and located by the IMO seismic network. Nearly all of the events have been manually reviewed. The seismic activity has decreased slightly since the week before when just over 570 events were located. Like before the majority of events were located on the Reykjanes Peninsula. Fagradalsfjall has notably the most activity, but moderate seismicity has been taking place there since the eruption on the Sundhnúks crater row ended on September 5th. Other notable events were: three earthquakes around M2 on Septhember 15th in the Hverahlíð production field in Hellisheiði in southwest Iceland, continuing activity by Lake Grjótárvatn in Snæfellsnes Peninsula, a ~M3 earthquake in Mýrdalsjökull glacier on September 9th and a M3 event on the crater rim of the Bárðarbunga caldera in Vatnajökull glacier on September 9th as well.


The earthquake activity can be viewed on a map on Skjálfta Lísa



Weekly overview, September 2nd - 8th - week 36 2024

In the 36th week of 2024 around 570 earthquakes detected and thereof around 560 were located on the IMO‘s seismic network. A bit fewer events than previous week. Most of the events were located in Reykjanes peninsula and in a seismic swarm near Skriða east of Mt. Skjaldbreiður and by Sandfell northwest of Skjaldbreiður. Otherwise the activity was scattered all over the country. The largest earthquake of the week was M5.0 in northeastern rim of Bárðarbunga caldera on September 3rd. The activity near Grjótárvatn decreasedm only two events were located there and nine earthquakes were detcted in and near Mt. Hekla during the week.


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


Weekly overview, Agust 26th – September 1st - week 35 2024

In the 35th week of 2024 around 650 earthquakes detected and thereof around 570 were located on the IMO‘s seismic network. The activity was scattered all over the country but the main activity was located on Reykjanes peninsula. The largest earthquake of the week was 2.6 in magnitude on Kolbeinsey ridge and 2.5 in Askja. Ongoing activity in Bárðarbunga caldera. Six earthquakes were detcted in and near Mt. Hekla during the week.

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


Weekly overview, Agust 12th – August 18th - week 33 2024

In the 33rd week of 2024 around 1430 earthquakes detected and thereof around 990 were located on the IMO‘s seismic network. The activity was scattered all over the country but the main activity was located on Reykjanes peninsula. The largest earthquake of the week was 3.5 in magnitude 16th of August in the eastern rim of the Bárðarbunga caldera.

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


Related topics

Reykjanes

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