Fig. 2
Lava flow from the 1991–1993 eruption of Etna stalling behind an earthen barrier while an artificial channel is built downhill. Image modified from Barberi et al. (1993)
Fig. 2 | Journal of Applied Volcanology
Lava flow from the 1991–1993 eruption of Etna stalling behind an earthen barrier while an artificial channel is built downhill. Image modified from Barberi et al. (1993)