Please use this identifier to cite or link to this item:
Authors: Andronico, D.* 
Branca, S.* 
Calvari, S.* 
Burton, M. R.* 
Caltabiano, T.* 
Corsaro, R. A.* 
Del Carlo, P.* 
Garfì, G.* 
Lodato, L.* 
Miraglia, L.* 
Murè, F.* 
Neri, M.* 
Pecora, E.* 
Pompilio, M.* 
Salerno, G.* 
Spampinato, L.* 
Title: A multi-disciplinary study of the 200203 Etna eruption: insights into a complex plumbing system
Issue Date: Apr-2005
Series/Report no.: 4/67(2005)
DOI: 10.1007/s00445-004-0372-8
Keywords: Multi-disciplinary study
Mount Etna
2002–03 eruption
Eccentric eruptions
Flank activity
Etna feeding system
Volcanic processes
Subject Classification04. Solid Earth::04.08. Volcanology::04.08.06. Volcano monitoring 
05. General::05.02. Data dissemination::05.02.03. Volcanic eruptions 
Abstract: The 200203 Mt Etna flank eruption began on 26 October 2002 and finished on 28 January 2003, after three months of continuous explosive activity and discontinuous lava flow output. The eruption involved the opening of eruptive fissures on the NE and S flanks of the volcano, with lava flow output and fire fountaining until 5 November. After this date, the eruption continued exclusively on the S flank, with continuous explosive activity and lava flows active between 13 November and 28 January 2003. Multi-disciplinary data collected during the eruption (petrology, analyses of ash components, gas geochemistry, field surveys, thermal mapping and structural surveys) allowed us to analyse the dynamics of the eruption. The eruption was triggered either by (i) accumulation and eventual ascent of magma from depth or (ii) depressurisation of the edifice due to spreading of the eastern flank of the volcano. The extraordinary explosivity makes the 200203 eruption a unique event in the last 300 years, comparable only with La Montagnola 1763 and the 2001 Lower Vents eruptions. A notable feature of the eruption was also the simultaneous effusion of lavas with different composition and emplacement features. Magma erupted from the NE fissure represented the partially degassed magma fraction normally residing within the central conduits and the shallow plumbing system. The magma that erupted from the S fissure was the relatively undegassed, volatile-rich, buoyant fraction which drained the deep feeding system, bypassing the central conduits. This is typical of most Etnean eccentric eruptions. We believe that there is a high probability that Mount Etna has entered a new eruptive phase, with magma being supplied to a deep reservoir independent from the central conduit, that could periodically produce sufficient overpressure to propagate a dyke to the surface and generate further flank eruptions.
Appears in Collections:Papers Published / Papers in press

Files in This Item:
File Description SizeFormat 
Andronico et al.pdf827.06 kBAdobe PDFView/Open
Springer.html523 BHTMLView/Open
Show full item record

Page view(s) 50

Last Week
Last month
checked on May 27, 2019

Download(s) 50

checked on May 27, 2019

Google ScholarTM