400 earthquakes detected at Grímsey island in last twelve hours

Since midnight an earthquake swarm has struck at the island of Grímsey off the north coast of Iceland. The largest quakes were at 3.2 on the Richter scale. No signs of volcanic unrest says the Iceland Met Office. 

The earthquake originate in a caldera in the ocean west of the Skjálfandi deep. There is no sign of the earthquakes stopping yet.