Beauval C., Yepes H., Bakun W.H., Egred J., Alvarado A., Singaucho J.C., 2010. Locations and magnitudes of historical earthquakes in the Sierra of Ecuador (1587-1996). Geophysical Journal International, 181, 1613-1633. https://doi.org/10.1111/j.1365-246X.2010.04569.x
CERESIS (Centro Regional de Sismología para América del Sur), 1995. Catalogue for South America and the Caribbean prepared in the framework of GSHAP. File available and downloadable from http://www.seismo.ethz.ch/static/gshap/ceresis [ link]
CERESIS (Centro Regional de Sismología para América del Sur), 1985. Destructive earthquakes of South America 1530-1894. Earthquake Mitigation Program in the Andean Region, Project SISRA, Lima, 14 vols. [ link]
Beauval C., Yepes H., Bakun W.H., Egred J., Alvarado A., Singaucho J.C., 2010. Locations and magnitudes of historical earthquakes in the Sierra of Ecuador (1587-1996). Geophysical Journal International, 181, 1613-1633. https://doi.org/10.1111/j.1365-246X.2010.04569.x