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Figura 1. Concentrazione totale di particelle piroclastiche nell’atmosfera (in scala logaritmica). A) Posizione iniziale del volume di magma, prima dell’esplosione. B) Rappresentazione 3D della concentrazione a 380 s dall’inizio del blast. C) Rappresentazione 2D lungo la sezione NordEst, sovrapposta alla mappa a 10 m dal suolo a 380 s. Map…

Figure 7. Results of IMEX_SfloW2D numerical simulations of a pyroclastic avalanche overlapped on the hill-shaded relief of the Etna summit and the boundaries of the 11 February 2014 event. Numerical parameters as follows: (a) μ=0.1, ξ=500; (b) μ=0.2, ξ=500; (c) μ=0.2, ξ=100; (d) μ=0.3, ξ=500; (e) μ=0.4, ξ=500; (f) μ=0.4,…

E’ aperta la Call for papers della Special Issue Unmanned Aerial Systems and Digital Terrain Modelingde MDPI open access journal Remote Sensing (ISSN 2072-4292, Impact Factor 3.406, https://www.mdpi.com/journal/remotesensing) che ha come Guest Editors Alessandro Fornaciai, Luca Nannipieri e Massimiliano Favalli dell’INGV e Nicole Richter del Observatoire Volcanologique du Piton de…

Figure 6. Streamlines of the time‐averaged vertical velocity for the large‐eddy simulation plume for the weak eruption with filled contours of fine (top) and coarse (bottom) ash fractions (relative to the mass fraction of tracer particles) superimposed. The white lines indicate contours of zero vertical velocity separating regions of positive…

Figure 10. Temporal variation of (a)87Sr/86Sr, (b) Rb/Th, c) Rb/La of CC-type and DDF-type Etnean magmas erupted since 1329 (Corsaro and Cristofolini, 1993; Corsaro et al., 1996; Tonarini et al., 2001; Armienti et al. 2004; Viccaro and Cristofolini, 2008, Corsaro et al., 2009a, Corsaro et al., 2013, Nicotra and Viccaro,…

Figure 1. Map of Mw ≥ 6 historical earthquakes along the Apennine mountain chain starting from 1400 CE (from the catalogue CPTI15; Rovida et al., 2016). Black empty circles represent the events located outside the 30‐km half width along the trace of the section (red dashed line) and not considered…