Alvarado A., Audin L., J-M Nocquet, M. Segovia , Y. Font, G. Lamarque, H. Yepes, P. Mothes , F. Rolandone, P. Jarrin (2014). Active tectonics in Quito, Ecuador, assessed by geomorphological studies, GPS data, and crustal seismicity, Tectonics, 33 (2): 67-83.