Preliminary results on the characterisation of the Guaycume fault (El Salvador) from geodetic and seismological data - Juan José Portela Fernández, Alejandra Staller Vázquez, Marta Béjar-Pizarro, José Jesús Martínez-Díaz, José Antonio Álvarez-Gómez y Douglas Hernández (Proceedings 3rd Congress In Geomatics Engineering, 2021)