Articles | Volume 9, issue 2
https://doi.org/10.5194/se-9-431-2018
https://doi.org/10.5194/se-9-431-2018
Research article
 | 
16 Apr 2018
Research article |  | 16 Apr 2018

Integrating field, textural, and geochemical monitoring to track eruption triggers and dynamics: a case study from Piton de la Fournaise

Lucia Gurioli, Andrea Di Muro, Ivan Vlastélic, Séverine Moune, Simon Thivet, Marina Valer, Nicolas Villeneuve, Guillaume Boudoire, Aline Peltier, Patrick Bachèlery, Valérie Ferrazzini, Nicole Métrich, Mhammed Benbakkar, Nicolas Cluzel, Christophe Constantin, Jean-Luc Devidal, Claire Fonquernie, and Jean-Marc Hénot

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Cited articles

Albarède, F. and Tamagnan, V.: Modelling the recent geochemical evolution of the Piton de la Fournaise volcano, Réunion island, 1931–1986, J. Petrol., 29, 997–1030, 1988.
Albarède, F., Luais, B., Fitton, G., Semet, M. P., Kaminski, E., Upton, B. G. J, Bachèlery, P., and Cheminée, J. L.: The geo-chemical regimes of Piton de la Fournaise Volcano Réunion. during the last 530,000 years, J. Petrol., 38, 171–201, 1997.
Andronico, D., Lo Castro, M. D., Sciotto, M., and Spina, L.: The 2010 ash emissions at the summit craters of Mt Etna: relationship with seismo-acoustic signals, J. Geophys. Res., 118, 51–70, https://doi.org/10.1029/2012JB009895, 2013a.
Andronico, D., Taddeucci, J., Cristaldi, A., Miraglia, L., Scarlato, P., and Gaeta, M.: The 15 March 2007 paroxysm of Stromboli: video-image analysis, and textural and compositional features of the erupted deposit, Bull. Volcanol., 75, 733, https://doi.org/10.1007/s00445-013-0733-2, 2013b.
Andronico, D., Scollo, S., Lo Castro, M. D., Cristaldi, A., Lodato, L., and Taddeucci, J.: Eruption dynamics and tephra dispersal from the 24 November 2006 paroxysm at South-East Crater, Mt Etna, Italy, J. Volcanol. Geotherm. Res., 274, 78–91, https://doi.org/10.1016/j.jvolgeores.2014.01.009, 2014.
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Short summary
We prove here that macroscopic and microscopic studies of emitted pyroclastic and effusive products provide valuable information to track and understand small explosive eruptions for hazard and risk assessment. This is especially true for Piton de La Fournaise, La Réunion, whose activity has recently been characterized by effusive and mild explosive activity in highly visited areas. We confirm that petrological monitoring is essential to forecast changes in the magmatic system.