Overview of the 1997^2000 Activity of Volca¤N De Colima, Me¤Xico
Journal of Volcanology and Geothermal Research 117 (2002) 1^19 www.elsevier.com/locate/jvolgeores Overview of the 1997^2000 activity of Volca¤n de Colima, Me¤xico V.M. Zobin a;Ã, J.F. Luhr b, Y.A. Taran c, M. Breto¤n a, A. Corte¤s a, S. De La Cruz-Reyna c, T. Dom|¤nguez d, I. Galindo d, J.C. Gavilanes a, J.J. Mun‹|¤z e, C. Navarro a, J.J. Ram|¤rez a, G.A. Reyes a, M. Ursu¤a f , J. Velasco f , E. Alatorre a, H. Santiago a a Observatorio Vulcanolo¤gico, Universidad de Colima, Av. Gonzalo de Sandoval #333, Col. Las V|¤boras, 28052 Colima, Mexico b Department of Mineral Sciences, NHB-119, Smithsonian Institution, Washington, DC 20560, USA c Instituto de Geof|¤sica, UNAM, Coyoaca¤n 04510, Me¤xico D.F., Mexico d Centro Universitario de Investigaciones en Ciencias del Ambiente, Universidad de Colima, P.O. Box 44, 28000 Colima, Mexico e Coordinacio¤n General de Investigacio¤n Cient|¤¢ca, Avenida Universidad 333, Universidad de Colima, C.P. 28040 Colima, Mexico f Consejo Estatal de Proteccio¤n Civil de Colima, 28010 Colima, Mexico Received 1 May 2001; accepted 1 November 2001 Abstract This overview of the 1997^2000 activity of Volca¤n de Colima is designed to serve as an introduction to the Special Issue and a summary of the detailed studies that follow. New andesitic block lava was first sighted from a helicopter on the morning of 20 November 1998, forming a rapidly growing dome in the summit crater.
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