Differentials (1) Implements (1) Instruments (1) Methods (1) Risk--Sociological aspects (1) Tools (1) Threats (1) Social sciences (1) Scientists (1) Science (1) Risk (1) Poverty (1) Plazas (1) Physics (1) Natural history (1) Natural disasters (1) Marginality, Social (1) Landscapes (1) Foundations (1) Engineering (1) Earthquakes (1) Disasters (1) Back (1) Ability (1) Methods (1) Science (1) Population (1) Risk factors (1) Sociología del riesgo (1) Marginación social (1)