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Unzen, Japan
Mount Unzen's biggest eruption happened in 1792, when, along with a related tsunami,it killed 15,000 people.It started to spit lava a couple weeks before it violently erupted in 1991, killing 43 people, including a group of scientists and reporters, and forcing the evacuation of thousands of homes. It remained active, releasing lava and ash until about 1995. -
Tambora, Indonesia
Tambora was the biggest volcanic eruption ever recorded. It was so big,So much ash was thrown into the atmosphere when Tambora exploded in 1815 so it blocked out sunlight and solar radiation. -
Krakatoa (Krakatau), Indonesia
When Krakatoa blew its top in 1883 over 3600 people died and it almost destroyed almost the entire island, but the area is still active, a new island, dubbed Anak Krakatau. -
Mt. Pelee, Martinique,
When Mt. Pelée exploded on Martinique in 1902, it killed 29,000 people and destroyed the entire city of St. Pierre. The residents had been watching the volcano spit steam and fumes into the air for several days, but on May 8, Pelée finally went off. -
Mount St. Helens, United States
The May 18, 1980, explosion of Mount St. Helens was the United States' deadliest and most devestating volcanic event, with 57 lives lost. The massive eruption, complete with a 15-mile-high ash plume, was preceded by a 5.1 magnitude earthquake, which caused a large chunk of the mountain to slide away. -
El Chichon, Mexico
When El Chichon erupted in 1982, it killed 2,000 nearby residents in Chiapas, Mexico, and left behind a brooding, sulfuric, acidic lake that formed when the dome collapsed into a crater and filled with water. -
Kilauea, United States,
Hawaiian volcano has been erupting continuously for over 20 years.now it is one of the world's most active volcanoes in the world.Just last year, Kilauea even exploded, throwing a bit of ash and gas out into the air. -
Nevada del Ruiz, Colombia
When the Colombian volcano erupted in 1985, it killed 23,000 in the village of Armero, making it the second deadliest volcanic eruption in the 20th century. Many were asleep during the eruption, which triggered a devestating mudslide-like flow of lava, mud and volcanic debris known as a lahar, amplified as the mountain's glaciers melted. -
Mt. Pinatubo, Philippines
The 1991 eruption of Mount Pinatubo, in the Philippines, was the second largest eruption of the 20th century, with a volcanic rating of 6. That puts it somewhere in Krakatoa territory: bigger than Mount St. Helens' in 1980, but smaller than Tambora in 1815.Pinatubo finally exploded on June 15, tossing out some two and a half cubic miles of material. including rock, ash and toxic fumes.This eruption cused 800 people to die. -
Chaitén,chile
Chaitén is a small volcanic caldera located on the flank of the Michinmahuida volcano in southern Chile. Before 2008, it consisted mainly of a lava dome last active 9,400 years ago. But in May 2008, Chaitén began erupting violently, producing numerous plumes, pyroclastic flows and lahars, and building a new lava dome on the north side of the old one. The eruption has had serious consequences for the nearby town of Chaitén
