De Gregorio S, Camarda M, Pisciotta A, Prano V. Magma Supply Dynamics at Mt. Etna (Italy) Inferred from Peripheral Soil CO2 Emissions: Insights into the 2018 Flank Eruption and the 2021 Paroxysmal Activity. Ann. Geophys. 2026;69. doi:10.4401/ag-9659