Cerro Negro de Mayasquer is a volcano on the border of Colombia and Ecuador. It lies north-west of the volcano Chiles, and the two peaks are considered part of the same Chiles-Cerro Negro volcanic complex. These volcanoes, together with Cumbal are andesitic in rock type.Plancha 447-447bis, 2003 A 1936 eruption reported by the Colombian government agency INGEOMINAS may have been from the Ecuadorean volcano Reventador, otherwise the volcano has not erupted for around 160,000 years.
See also List of volcanoes in Colombia List of volcanoes in Ecuador List of volcanoes by elevation List of mountains in Colombia
References
Bibliography
Further reading