Mt. Thorbjorn volcano (Reykjanes peninsula, Iceland): increasing earthquake intensity

The seismic crisis on the Reykjanes peninsula continues. It shows no signs of weakening, but has intensified during the past days. While hundreds of small quakes have been occurring each day, several tremors have now reached magnitudes above 3, the largest one being a felt quake on Friday with magnitude 4.3 at 6 km depth 4.3 km NNE of Grindavík. The earthquake swarm is interpreted as…