EARTH SCIENCE
VOLCANOES
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Volcanoes are very scary.
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Volcano safety is important.
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Volcanoes erupt too often.
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Volcanoes are very powerful.
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Detailed explanation-1: -The most powerful eruptions are called “plinian” and involve the explosive ejection of relatively viscous lava. Large plinian eruptions–such as during 18 May 1980 at Mount St. Helens or, more recently, during 15 June 1991 at Pinatubo in the Philippines–can send ash and volcanic gas tens of miles into the air.
Detailed explanation-2: -Mt Tambora, Indonesia, 1815 (VEI 7) Mt. Tambora is the deadliest eruption in recent human history, claiming the lives of up to 120, 000 people.
Detailed explanation-3: –It is a conical-shaped landform that is built by repeated eruptions.
Detailed explanation-4: -What was the largest volcanic eruption in the 20th century? The world’s largest eruption of the 20th century occurred in 1912 at Novarupta on the Alaska Peninsula in what is now Katmai National Park and Preserve. An estimated 15 cubic kilometers of magma was explosively erupted during 60 hours beginning on June 6th.