Gas hazard assessment at the Monticchio crater lakes of Mt. Vulture, a volcano in Southern Italy

Pasquale Nuccio, Antonio Caracausi, Michele Paternoster, Rocco Favara, P. Mario Nuccio, Marco Nicolosi

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    29 Citations (Scopus)

    Abstract

    Geochemical investigations have shown that there is a considerable inflow of gas into both crater lakes of Monticchio,Southern Italy. These lakes are located in two maars that formed 140 000 years ago during Mt. Vulture volcanoes last eruptive activity. Isotopic analyses suggest that CO2 andhelium are of magmatic origin; the latter displays 3He ⁄ 4He isotope ratios similar to those measured in olivines of the maar ejecta. In spite of the fact that the amount of dissolved gases in the water is less than that found in Lake Nyos (Cameroon), both the results obtained and the historicalreports studied indicate that these crater lakes could be highly hazardous sites, even though they are located in a region currently considered inactive. This could be of special significance in very popular tourist areas such as the Monticchiolakes, which are visited by about 30 000 people throughout the summer, for the most part on Sundays.
    Original languageEnglish
    Pages (from-to)83-87
    Number of pages5
    JournalTerra Nova
    Volume21
    Publication statusPublished - 2009

    All Science Journal Classification (ASJC) codes

    • Geology

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