Popocatépetl
De la Cruz-Reyna, Servando, et al. “Tectonic Earthquakes Triggering Volcanic Seismicity and Eruptions. Case Studies at Tungurahua and Popocatépetl Volcanoes.” Journal of Volcanology and Geothermal Research, vol. 193, no. 1, 2010, pp. 37–48.