Coatepeque is a Holocene caldera. There has been no volcanic activity at Coatepeque in historic time.
Photographs by Steve O'Meara of Volcano Watch International.
Sources of Information:
McClelland, L., Simkin, T., Summers, M., Nielsen, E., and Stein, T.C., 1989, Global Volcanism 1975-1985: Englewood Cliffs, New Jersey, Prentice Hall, 655 p.
Simkin, T., and Siebert, L., 1994, Volcanoes of the World: Geoscience Press, Tucson, Arizona, 349 p.
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