Research Article

Ratio of the Dead to Wounded (D/W) Indicators and Associated Factors in Major Earthquakes of America from 1960 to 2011

Table 4

Linear regression models for the number of deaths and the wounded and D/W indexes that occurred in Central and South America subregions during the 1960–2011 period.

America subregions

Dependent variablesCentral America

Deaths (D)
For the analysis of the death toll as a function of the time of the earthquake in Central America, the next procedure was done:
=
=
Calculating the ratio /
/ = = 0.1158
The wounded (W)
D/W indexes

Dependent variablesSouth America

Deaths ()  
The wounded ()
/ indexes

Richter degrees.