1. National Research Center for Integrated Natural Disaster Management (CIGIDEN), CONICYT/FONDAP/15110017, Pontificia Universidad Católica de Chile, Vicuña Mackenna 4860, Macul, Santiago 7820436, Chile, alan.poulos@cigiden.cl, mauricio.monsalve@cigiden.cl, natalia.zamora@cigiden.cl, jcllera@ing.puc.cl
2. Also at Department of Structural and Geotechnical Engineering, Pontificia Universidad Católica de Chile, Vicuña Mackenna 4860, Macul, Santiago 7820436, Chile.