Most of the 40 Deadliest Disasters Between 1970 and 2013

Most of the 40 deadliest disasters between 1970 and 2013 occurred in a belt running through Japan,China,Bangladesh,India,Iran and Turkey.This area was particularly vulnerable because ____________________.

A) it has a high population density
B) most of the world's earthquakes occur here
C) precipitation rates are very high in this region,producing frequent,large,and sudden floods
D) most of the world's and volcanic eruptions occur here
E) most of the world's landslides occur here