Weekly Overview, 1 - 7. May, 2023

Around 528 earthquakes were measured by IMO‘s SIL seismic network this week, which is less than the previous week when they were counted around 590 in total. The largest earthquake this week of M4.6 was measured in a strong swarm in Mt. Katla on the 4. May. Three earthquakes over M4 were measured in the swarm, this is the strongest swarm in Mt. Katla since 2016.  The MET office received reports that the earthquakes were felt in Vík in Mýrdalur and Þórsmörk. An earthquake swarm was also measured on 4. May by Reykjanestá and the largest earthquake was measured at M3.4. This was also reported to have been felt. Around 30 earthquakes were measured in the Grímsvötn area, marking the continuation of increased seismic activity there like in the week before. The largest earthquake measured M2.6. One small earthquake was measured in Mt. Hekla.

Nánar má skoða skjálftavirkni hér: Skjálfta Lísa