Sakurajima, Japan
The high level of activity in this Japanese volcano has earned it the nickname “Vesuvius of the East.” What was once its own island volcano is now connected to the mainland thanks to its own eruption in 1914. Kagoshima is situated only a few miles away from the volcano, and is 700,000 residents would be in serious danger if a big eruption happens again.
*heck
More like 14 million!
1.6 million people in 1951.