Table 1: Sample description (ages for Linosa, Pantelleria, and Ustica are from Lanzafame et al. [38], Civetta et al. [39], and De Vita et al. [36], resp.).

Site LINOSA PANTELLERIA USTICA Sample Lin 15 Lin 20 Lin 27 Pant 8A Ust 1 Ust 2 Latitude (N) 35°52′10.8′′ 35°52′11.3′′ 35°52′29.7′′ 36°48′53.3′′ 38°42′37.0′′ 38°42′42.5′′ Longitude (E) 12°52′20.3′′ 12°52′01.5′′ 12°52′21.3′′ 11°55′37.8′′ 13°10′16.6′′ 13°10′06.6′′ Rock type Massive lava Vesiculated lava Vesiculated lava Vesiculated lava Coarse grain tuff Fine grain tuff Sampling site Montagna Rossa Montagna Rossa Montagna Rossa Cala dell’Alca Monte Costa del Fallo Monte Costa del Fallo Type of outcrop Lava flow Lava flow Lava flow Lava flow Pyroclastic flow Pyroclastic flow Age (Ma) 0.53–1.06 0.53–1.06 0.53–1.06 0.08–0.1 0.42–0.52 0.42–0.52