EARTH SCIENCE
TECTONICS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Volcanoes are made of hardened lava
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A large number of volcanoes can be found along the edge of the Pacific Ocean
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The 1991 eruption of Mt. Pinatubo was the scariest volcanic event in history
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Shield volcanoes can actually create new land
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Detailed explanation-1: -June 15, 1991, it erupted, resulting in the second-largest eruption of the 20th century. The ash plume height reaching more than 40 km (28 mi) high and ejecting more than 10 km3 of magma, classifying it as plinian/ultra plinian eruption style and VEI 6 in eruption size.
Detailed explanation-2: -The world’s largest volcanic eruption to happen in the past 100 years was the June 15, 1991, eruption of Mount Pinatubo in the Philippines. Bursts of gas-charged magma exploded into umbrella ash clouds, hot flows of gas and ash descended the volcano’s flanks and lahars swept down valleys.
Detailed explanation-3: -Precursors to the giant eruption of Pinatubo in June 1991 may have been initiated by a large earthquake on July 16, 1990, centered about 60 miles (100 km) northeast of Pinatubo.
Detailed explanation-4: -The disaster impacted approximately two million people directly, primarily by widespread ashfall and damaged crops. Reports estimated $700 million in damage, including $100 million of damages to aircraft flying at the time of the eruption, with the rest a combination of agriculture, forestry and land.