Regional Context
 

Pacaya is located:


  1. 1.along the segmented Central American Volcanic front at a prominent right step


  1. 2.at the south end of the Guatemala City graben, on the edge of the Amatitlan Caldera


  1. 3.along the Jalpatagua Fault, an important strike-slip feature.


How does Pacaya’s location influence its activity?

R Escobar Wolf

Bonis, SB 1993. Mapa Geológico Guatemala 1:250, 000 ND 15-8-G Instituto Geográfico Nacional Guatemala


Carr M J, 1984. Symmetrical and segmented variation of physical and geochemical characterisitics of the Central American volcanic front. J Volc Geotherm Res, 20: 231-252


Carr, M.J., Patino, L.C and Feigenson, M.D., 2007, Petrology and Geochemistry of Lavas, in CENTRAL AMERICA: GEOLOGY, RESOURCES AND HAZARDS; BUNDSCHUH & ALVARADO (EDS), Ch 22.


Kutterolf S, Freundt A, Perez W, 2008. Pacific offshore record of plinian arc volcanism in Central America: 2. Tephra volumes and eruptive masses. Geochem Geophys Geosyst, 8: Q02S02, doi:10.1029/2007GC001791


Rose, W I, F M Conway, C R Pullinger, A Deino and W C McIntosh, 1999, A more precise age framework for late Quaternary silicic eruptions in northern Central America, Bulletin of Volcanology 61: 106-123


Williams H, 1960. Volcanic history of the Guatemalan Highlands. Univ Calif Pub Geol Sci, 38: 1-86


Wunderman, R.L. and W.I. Rose, 1984, Amatitlán, an actively resurging caldera 10 km south of Guatemala City, J. Geophys. Res., 89, 8525-8539.