Mount Unzen is actually a group of volcanoes, with the highest being Mount Fugen, at 1,360 meters (4,462 feet).
One of the world's most active volcanoes, with a constant eruption since 1983.
One of the world's most dangerous volcanoes, with many people living near its crater.
The volcano with the world's longest recorded period of activity: more than 2.000 years.
A crater lake located 150 kilometers from Tokyo.
Thirty hectares of dry and arid soil, dotted with miniature volcanoes- this is the scenery of the natural geological reservation from Buzau.
Guatemala's most active volcano and at the same time the most frequently climbed volcano in the country.
The volcano that produced the second largest eruption of the 20th century.