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 - week 23 June 5th to June 11th 2023

In week 23, around 550 earthquakes were located on the IMO seismic network. This is a bit less than the week before were 584 earthquakes were detected. The largest event of the week was a magnitude 3.4 just after midnight on the 5th of June, located in the Bárðarbunga caldera and another event of M3.0 in the same area on June 9th. Few earthquakes west of Surtsey were detected, the largest one M3.0. Seismic activity was notable in Mýrdaksjökull caldera compared to previous week and the largest events of M2.5 on June 10th at 15:40. Around twenty earthquakes were detected west of Merkurjökull glacier in a small swarm on June 8th.

Four events were located in and near mt. Hekla. Other earthquake activity was in commonly known locations within some of the main volcanoes and on known fractures and fracture zones.

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