Articles | Volume 16, issue 8
https://doi.org/10.5194/nhess-16-1755-2016
https://doi.org/10.5194/nhess-16-1755-2016
Research article
 | 
03 Aug 2016
Research article |  | 03 Aug 2016

The unrest of the San Miguel volcano (El Salvador, Central America): installation of the monitoring network and observed volcano-tectonic ground deformation

Alessandro Bonforte, Douglas Antonio Hernandez, Eduardo Gutiérrez, Louis Handal, Cecilia Polío, Salvatore Rapisarda, and Piergiorgio Scarlato

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Revised manuscript accepted for NHESS
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Cited articles

Altamimi, Z., Collilieux, X., and Métivier, L.: ITRF2008: an improved solution of the international terrestrial reference frame, J. Geodesy., 85, 457–473, https://doi.org/10.1007/s00190-011-0444-4, 2011.
Alvarado, D., DeMets, C., Tikoff, B., Hernández, D., Wawrzyniec, T., Pullinger, C., Rodríguez, M., and Tenorio C.: Forearc motion and deformation between El Salvador and Nicaragua: GPS, seismic, structural, and paleomagnetic observations, Lithosphere, 3, 3–21, https://doi.org/10.1130/L108.1, 2011.
Bonforte, A. and Guglielmino, F.: Transpressive strain on the Lipari-Vulcano volcanic complex and dynamics of the "La Fossa" cone (Aeolian Islands, Sicily) revealed by GPS surveys on a dense network, Tectonophysics, 457, 64–70, https://doi.org/10.1016/j.tecto.2008.05.016, 2008.
Bonforte, A. and Puglisi, G.: Dynamics of the eastern flank of Mt. Etna volcano (Italy) investigated by a dense GPS network, J. Volcanol. Geoth. Res., 153, 357–369, https://doi.org/10.1016/j.jvolgeores.2005.12.005, 2006.
Bonforte, A., Bonaccorso, A., Guglielmino, F., Palano, M., and Puglisi, G.: Feeding system and magma storage beneath Mt. Etna as revealed by recent inflation/deflation cycles, J. Geopys. Res., 113, B05406, https://doi.org/10.1029/2007JB005334, 2008.
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In this paper, we present the work done during an international cooperation between Italy and El Salvador, for implementing the multiparametric monitoring of the San Miguel volcano in El Salvador after its sudden unrest. In particular, the aim of this paper is to show and describe the installed geodetic network and to show, comment and interpret the very first detailed ground deformation data obtained on this volcano during an unrest period, useful for characterizing its unknown dynamics.
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