An earthquake swarm started under Bardarbunga volcano, Iceland during the early morning hours of Wednesday, March 1, 2017.The swarm started at 08:57 with M4.1 (the strongest) and ended at 10:24 UTC. There were no additional earthquakes registered over the next 24 hours.
Bryndís Ýr Gísladóttir, a specialist in natural hazards with the Icelandic Met Office told media that five powerful earthquakes were detected in the caldera of Bardarbunga volcano on March 1, 2017.
The sequence started with M4.1 at 08:57 UTC at a very shallow depth of 0.1 km (0.06 miles) and continued with M2.3 at a depth of 2.3 km (1.5 miles) within the first minute. In total, there were 5 earthquakes with magnitude above 3.0.