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Sul trasporto eolico delle sabbie e ceneri vulcaniche

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Riassunto

Premessi i dati di osservazione sulle sabbie e sulle ceneri proiettate dall'Etna nella fase esplosiva del 16-III-1940 e trasportate dai venti fino in Calabria, si espongono le caratteristiche fisiche dei materiali caduti e particolarmente quelle granulometriche in rapporto alla distanza di trasporto, confrontandole con le ceneri cadute nell'isola di Stromboli in occasione delle esplosioni di questo vulcano del 14-XII-1937 e del 22-V-1938.

Zusammenfassung

Der Sand und die Aschen geworfen durch die Explosion der Etna am 16. 3. 1940 und die bis Kalabrien durch den Wind transportiert wurden, sind vom Verf. physikalisch untersucht worden und zwar besonders nach der Verteilung der Korngrösse im Verhältnis mit den Transport-Distanzen. Die Mitteilung der Ergebnisse geschieht mit Vergleichung derjenigen die sich auf die Aschen vom Stromboli beziehen, welche von diesem Vulkan am 1937 und 1938 geworfen worden sind.

Summary

After some remarks on the sands and the ashes projected by the Etna in the explosive period of March the 16th, 1940, and carried by the wind as far as Calabria, the physical characters of the material fallen and particulary the granulometrical ones are exposed in relation to the distance of carriage, making some comparisons with the ashes fallen on the Isle of Stromboli in the occasion of the explosions of this volcano in Dec. the 14th, 1937, and in May, the 22th, 1938.

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Note Bibliografiche

  1. T. Minakami,The Explosive Activities of Volcano Asama in 1935 (Part I), Bulletin of the Earthquake Research Institute, Tokyo, Vol. XIII, Part 3 (1935).

  2. Cfr:G. Ponte,La formidabile esplosione dello Stromboli del 1916, Memorie descrittive della Carta Geologica d'Italia, R. Comitato Geologico, Vol. VII, Parte Quarta, Roma (1921).

  3. E. Stenz,Der grosse Staubfall vom 26. bis 29. April 1928 in Südosteuropa, ZS. f. Geophys., VI (1930).

  4. J. W. Judd,The Eruption of Krakatoa, Report of the Krakatoa Committee of the Royal Society, Part I, London (1888).

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Catella, M. Sul trasporto eolico delle sabbie e ceneri vulcaniche. Geofisica Pura e Applicata 2, 159–164 (1940). https://doi.org/10.1007/BF01992630

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  • DOI: https://doi.org/10.1007/BF01992630

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