 The andesitic volcano is located on top of the Ibagué Batholith.After being dormant for more than 500 years, the volcano showed heavy signs of activity in 2007 and 2008.As of February 20, 2007, there were more than 7000 "minor" seismic events, and a high state of alert was in place for the departments of Cauca, Huila, Caldas and Valle del Cauca.