7 dangerous volcano

1. Yellowstone supervolcano, United States

Yellowstone supervolcano, the most dangerous volcanoes in the world and the explosion of the Yellowstone supervolcano can shoot the composition of rocks and other mountain up to 1,000 cubic miles. Lava and ash volcanic eruption is enough to threaten the extinction of species and can even become one of the causes of mass disaster, because once the mountain is erupting, it will cause all the other volcanoes have vibration tectonic activity and massive eruptions can trigger other .

2. Mount Vesuvius, Italy

Mount Vesuvius is a stratovolcano in the Gulf of Naples, Italy, about 9 miles east of Naples. Mount Vesuvius is the only volcano on mainland Europe has erupted in the last hundred years. Famous for the eruption of Mount Vesuvius in 79 which led to the destruction of Roman cities of Pompeii and Herculaneum. This mountain could erupt at any time, and worse there are about 3 million people living around Vesuvius gunug. This could lead to eruption of lava bursts of very high, even on March 22, 1994, high bursts of lava reaching 1000 meters.

3. Popocatepetl, Mexico

Popocatepetl is an active volcano located at an altitude of 5426 meters above sea level. already there are 20 recorded eruptions since 1519. Eruption is very powerful, because it can release volcanic ash within a radius far enough. Even since December 1994 occurred on this mountain dangerous activity continuously, until finally a great eruption occurred in 2000 which is the largest eruption of Mount Popocatepetl in history has ever perpetuated.

4. Sakurajima, Japan

Sakurajima is one of the most active volcanoes in Japan, the mountain is located on Kyushu island of Japan. The intensity of this volcanic eruption is one of the highest in Japan and even the world. 7300 eruption was recorded in 45 years. One terdahsyat eruption occurred on March 10, 2009 where the mountain is throwing rocks and other volcanic composition of up to 2 kilometers away.

5. Galeras, Colombia

Galeras volcano has been active for at least a million years. Located in the southern Colombian border with Ecuador. This mountain is the most active volcano in Colombia. This mountain has been erupting almost every year since 2000. This is dangerous because the unexpected eruption frequency. This could lead to eruption of hot lava fall of up to 3.5 km to the Galeras mountain slopes. Terkadi last eruption on January 3, 2010, and forced the government to evacuate 8,000 people.

6. Mount Merapi, Indonesia

Mount Merapi is a conical volcano located on the border between Central Java and Yogyakarta, Indonesia. This is the most active volcano in Indonesia and has erupted regularly since 1548. This mountain has been active since 10,000 years ago. Most of the Merapi eruption involving the collapse of the lava dome continues to flow down ka. And sometimes often accompanied by a fall in the hot smoke (wedhus Gembel) that speed can reach 120 miles per hour.

7. Mount Nyiragongo, Congo

One of the most active volcano in Africa, this mountain has always appeared keaktifanya activity significantly. Since 1882, he has erupted at least 34 times. One of the worst eruption was on the stairs 17 September 2002, when the lava flowed down the slopes of Nyiragongo to cover about 40% of Goma town and left nearly 120,000 people homeless.