8. 2 Apr 1991 Mount Pinatubo Luzon Philippine
After 1912 eruption of Novarupta the Mount Pinatubo Luzon eruption is the second deadliest of volcanic eruptions of the 20th century. Many geologists predicted about this eruption before this incident took place. According to Gov report more than 855 people were killed after this eruption and many were made homeless.
Due to poor sanitation this eruption damaged healthcare facilities and spread illnesses and many other problems.
Visiting volcanic mountains can be a good experience, but this experience may turn out to be so dangerous during volcanic eruptions.