An earthquake swarm has started under Italy's Etna volcano during the early morning hours of January 30, 2017.
The swarm is located on the volcano's southwestern slope, INGV-OE reports. The observatory added it detected about 60 shocks by 11:45 UTC, with the strongest being M3.5 at 09:51 UTC. The focal volume lies between the towns of Ragalna, M. Parmentelli and M. San Leo at a depth of 10 – 15 km depth (6.2 – 9.3 miles).