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Activity of Volcán of Colima Introduction History 2001 - 2003 2003 - Sept. 2004 Sept. - Dec. 2004 2005 2006 2007 2008 2009 2010 2011

Geochemical, Thermal and Infrasound Monitoring Introduction Flux of SO2 Monitoring of waters Thermal emission Diffuse gases Infrasound Data analysis

Voluntary Programme of Student Assitance Introduction Activities Students Projects Social Service Summer Research Visiting Students EHaz Comments Volunteering/Internship Special Activities Participants

Isla Socorro Map Geology Research Projects Archipielago

Volcanoes of Chiapas Projects El Chichón Tacaná

Teaching

Staff Nick John Juan Carlos Ignacio Galindo Victor Vargas

Volcanological Observatory

Faculty of Science

University of Colima

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Geochemical Monitoring (Monitoring of waters)

Versión española

Three springs are monitored on a monthly basis, or during times of enhanced activity, every 2 weeks. A sample is taken from each spring for subsequent laboratory analysis and in the field the following parameters are measured: pH, conductivity, temperature, TDS and Eh.
During the previous 6 years an interesting relationship has been observed between boron and volcanic activity. Boron only rises above the lower level of detection when there is activity and various peaks have been associated with certain eruptive episodes. Most importantly the levels have been noted to increase 2-3 months before each of the previous three effusive episodes.

Sampling water from la Lumbre	Sampling water from San Antonio

Here is an image to show the location of the three monitored springs. The distance of each is between 5 and 6 km from the summit of Volcán de Colima.

click over the image to see real size