1. 1Departamento de Geociencias, Universidad de Los Andes, Carrera 1 # 18A-12, Bogotá DC, Colombia
2. 2Dipartimento di Scienze della Terra, Universitá degli Studi di Bari Aldo Moro, 70121 Bari, Italy
3. 3Dipartimento di Scienze Biologiche, Geologiche e Ambientali, Alma Mater Studiorum, Università di Bologna, 40126 Bologna, Italy
4. 4Dipartimento di Scienze, Universitá Roma-tre, I-00146 Rome, Italy
5. 5School of Environment, The University of Auckland, Private Bag 92019, Auckland, New Zealand
6. 6Servicio Geológico Colombiano, Diagonal 53 # 34-53, Bogotá, Colombia
7. 7Departement of Earth Science, University of Geneva, CH-1205 Geneva, Switzerland
8. 8Departamento de Ingeniería Civil, Universidad de Los Andes, Carrera 1 # 18A-12, Bogotá DC, Colombia
9. 9Centre for Disaster Management and Public Safety (CDMPS), Centre for Spatial Data Infrastructures and Land Administration (CSDILA), Department of Infrastructure Engineering, The University of Melbourne, Parkville, VIC 3010, Australia