Song Pakistan wow Indonesia Tambora volcano north of the island occurred in 1815 had a violent eruption , releasing energy equivalent to the end of World War II Japan, the United States to vote in the power of the atomic bombing of Hiroshima 's sinking, 8000 Times , known mankind 's most violent volcanic eruptions , leaving a total of about 10 million deaths , a large number of volcanic ash ejected into the year of the so-called " year without a summer "- food crops , the United States and Europe Sudden temperature drop . Now, let people sleepless nights and not just to Iceland Aiyafeiya la volcanoes, frequent activities for the crust from North America to East Asia, 12 sleeping volcano is moving toward the edge of eruption .

Katla

Katla volcano is the famous active volcanoes in Iceland , size and explosive power far more than in April this year, began erupting volcano Aiyafeiya Della . If the eruption might be Aiyafeiya Della volcano 10 times. After the volcanic eruption in Aiyafeiya Della , had experts fear katla will be triggered , but so far , it looks still very calm , does not mean it will not wake up .

Changbai volcano

According to Yonhap news agency reported , the Meteorological Agency in South Korea on June 16 held a seminar, Pusan National University Department of Earth Sciences Professor Yincheng Xiao said that Chinese scholars volcano , Changbai Mountain (South Korea said Baekdu ) in 2014-2015 The possibility of the outbreak of great years . Changbai volcano last eruption was in AD 947 , it is estimated that the total ash was ejected volcanic eruption in Iceland in recent times 1000 produced .

Mayon Volcano

Last year in December , the Philippine government had informed the people around Mayon volcano evacuated as a sign of the volcano eruption . Then there are high-temperature steam emitting from the crater , emitting ash to the sky , followed by magma from the volcano bubbling shed . Nevertheless, the volcano still no real sense to eruption , at least so far it has not, the Philippine government also reduced the security alert . And experts warned that the danger is far from over , especially when the phenomenon of volcanic earthquakes and rockfall still arises .

St. Helens Volcano

St. Helens volcano in the northwestern U.S. state of Washington , 30 years ago , and its eruption has caused chaos in Washington state , the river near the volcano was blocked , diverted , and many roads were buried . Forest fires caused by lava flows , 259 hectares of forest were destroyed, tens of kilometers around the biological extinction , and causing 60 deaths . In 2004, St. Helens volcanic eruption again , but small . Some experts predict that the re- eruption is only a matter of time , but also a sudden , it can in 10 minutes to spray ash to an altitude of over 9,000 meters .

Yellowstone Super Volcano

April , Iceland 's biggest volcanic eruptions of human impact is the aviation industry hard-hit . Experts said that if the Yellowstone super volcano eruption some day , perhaps people do not have energy to go to what the airline industry suffered a loss . Because of this hidden in the United States under the Yellowstone super volcano breaks out , will be large areas of the central United States under the cover in the ash . Scientists are closely monitor the Yellowstone super- volcano 's dynamic , so that there are signs of eruption , we can advance informed .

Marsigli submarine volcano

Marsigli submarine volcano height of 3,000 meters long and 70 km , 30 km wide , is located in the southern city of Naples, Italy, 150 km south-west area . The volcano is located 450 meters below sea level , history has not been a record eruption .

However, the Italian volcanologist said in an interview , this Europe's largest submarine volcano "ready " have the potential large-scale eruption , tsunami attack in southern Italy .

Glacier Peak volcano (Glacier Peak)

And the majestic Mount Rainier and Baker volcano (Mount Rainier and Mount Baker) compared to the volcanic peak glacier is more like a small mountain of soil . However, the Glacier Peak volcano is classified as U.S. 18 is one very dangerous volcano . Have passed since its last eruption in 1800 , if it broke out again , the destructive power of more than 1980 Holy Sea . Lens volcanic eruption.

Vesuvius

Vesuvius called one of the world's most famous volcano , located in southern Italy Bay of Naples Campania plain . Currently residing in the vicinity of Mount Vesuvius 100 million people probably do not know its history that no terrorist outbreak.

79 AD , Vesuvius eruption of hot pyroclastic flow will be within minutes was the famous city of Pompeii instant annihilation . Several other well-known coastal cities such as Herculaneum , Stabiae also been severely damaged. In addition, in 1631 , Vesuvius has been one violently eruptive activity , resulting in 4,000 deaths .

At present, the volcano has been considered to be " Italy 's largest public safety hazards . " But no one can predict when the next outbreak will be .

Ischia volcanic island

Not far from Vesuvius , from the southern coast of Italy just a few kilometers from the sea there is a volcanic island . Where volcanoes could erupt at any time , although far less fame famous Vesuvius , but the eruption may have greater destructive power .

Merapi volcano

Merapi volcano is the world's one of the most active volcano , the eruption of small-scale about 2 to 3 years will occur once a major eruption about 10 to 15 years time , and extremely deadly eruption cycle is 40 to 60 years . In 1930, 1,400 people were killed in volcanic eruption , 13 villages were destroyed

Nyiragongo

Democratic Republic of Congo Mount Nyiragongo territory extremely active since 1882, after it has erupted at least 34 times over . The 2002 eruption , the lava flow and even spilled into the streets of the town around the volcano .

Taal volcano (Taal Volcano)

Currently, the Philippines, people have received Taal volcano eruption warning may be that the volcano is located about 48 kilometers south of Manila, where its last eruption in 1997. (Zak)