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Figure 1

From: Balancing bulk gas accumulation and gas output before and during lava fountaining episodes at Mt. Etna

Figure 1

Map of Mount Etna.

Yellow star: thermal and visible cameras at La Montagnola (EMOT); red square: continuously recording gravity station (ECPN). The inset at the top right shows the position of Mt. Etna in the eastern part of Sicily (Italy; the gray square indicates the area enclosed by the central panel of the figure). The inset at the top left shows a detail of the craters in the summit zone of Mt Etna (NEC, Northeastern Crater; VOR, Voragine; BN, Bocca Nuova; SEC, Southeastern Crater; NCES New Southeastern Crater). Note that, during the early stages of its development (since November 2009), the NSEC was a pit crater. Lava fountaining activity since January 2011 led to the construction of a pyroclastic cone. In particular, the inset at the bottom left shows the morphological reconstruction of the NSEC scoria cone at the end of the period under study (September 2011; redrawn after Behncke et al., 2014). The maps in the figure were generated through the Surfer® software (version 8), using a DEM owned by INGV.

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