Figure 5
From: Dome-like behaviour at Mt. Etna: The case of the 28 December 2014 South East Crater paroxysm

Daily (solid grey line) and weekly (black line) bulk SO2 flux between 14 August 2014 and 09 January 2015). Solid boxes at the top of the graph indicate the Strombolian (Str) and lava fountain (Ft) activity occurring throughout the investigated period. The solid green and blue squares in the daily SO2 flux are the minimum of the time series and the onset of the 28 December eruptive episode, respectively.