When Is a Large Event Such as a Major Earthquake

When is a large event such as a major earthquake NOT a disaster?

A) when it happens in a faraway country that we do not care about
B) when it happens to less than 10,000 people
C) when it happens to less than 1,000 people
D) when it happens in an area without any people
E) when it happens in a third-world country in which more than 20% of the population subsists on less than $2 per day