 Solfataric activities (cracks where steam, gas, and lava are emitted) were last observed at the summit in 1912; recent documented events include an eruption in the early hours of 29 August 2010 and eruptions in September and November 2013, January, February and October 2014.A pyroclastic flow in May 2016 killed seven people.Between 2013 and 2014, the alert for a major event was increased with no significant activity.