17 Questions
What type of eruption is characterized by a large solid plug that shoots out to begin the eruption?
Vulcanian
Which volcano erupted in 1980 after being considered dormant for over 100 years?
Mount St. Helens
What type of eruption is associated with high death tolls and quick material flows down the volcano sides?
Pelean
Which eruption type is named after an eruption on the island of Vulcano in the Eolian Islands?
Vulcanian
How many types of volcanoes are mentioned in the text based on their activity status?
3
Which volcano has been erupting continuously since July of 1774?
Yasur Volcano
What is the name given to volcanoes that are considered extinct and predict they will never erupt again?
Extinct volcanoes
What term is used to describe a volcano that has not erupted in a long time, but may erupt again in the future?
Dormant
Which of the following is NOT a characteristic of a Plinian eruption?
Large solid plug shooting out
What is the approximate number of active volcanoes on Earth?
1,500
What is the name given to the process where a volcano that was previously considered extinct can become active again?
Rejuvenation
Which of the following statements about Pelean eruptions is NOT true?
They provide ample warning time to escape.
Which volcano erupted in 79 AD and buried the towns of Pompeii and Herculaneum?
Mount Vesuvius
Approximately how many volcanoes erupt annually?
50-70
What is the name given to the eruption type characterized by a large solid plug that shoots out to begin the eruption?
Vulcanian
Which of the following volcanoes is listed as extinct in the text?
Kohala in Hawaii
What is the approximate speed at which the material flows down the side of the volcano during a Pelean eruption?
150 km/hour
Explore the fascinating world of volcanoes and their study through volcanology. Learn about the different types of volcanoes, their locations on Earth and beyond, and the origins of the word 'volcano'.
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