Spatially resolved SO2 flux emissions from Mt Etna

Angelo Battaglia, Dario Delle Donne, Alessandro Aiuppa, Roberto D'Aleo, Giancarlo Tamburello, Prestifilippo, Sciotto, Patanè, Marcello Bitetto, Aiuppa, Coltelli

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17 Citazioni (Scopus)

Abstract

We report on a systematic record of SO2 flux emissions from individual vents of Etna volcano (Sicily), which we obtained using a permanent UV camera network. Observations were carried out in summer 2014, a period encompassing two eruptive episodes of the New South East Crater (NSEC) and a fissure-fed eruption in the upper Valle del Bove. We demonstrate that our vent-resolved SO2 flux time series allow capturing shifts in activity from one vent to another and contribute to our understanding of Etna's shallow plumbing system structure. We find that the fissure eruption contributed ~50,000 t of SO2 or ~30% of the SO2 emitted by the volcano during the 5 July to 10 August eruptive interval. Activity from this eruptive vent gradually vanished on 10 August, marking a switch of degassing toward the NSEC. Onset of degassing at the NSEC was a precursory to explosive paroxysmal activity on 11–15 August.
Lingua originaleEnglish
pagine (da-a)7511-7519
Numero di pagine9
RivistaGeophysical Research Letters
Volume43
Stato di pubblicazionePublished - 2016

All Science Journal Classification (ASJC) codes

  • Geophysics
  • Earth and Planetary Sciences(all)

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