Assignment 11 - Volcanoes

Please watch the National Geographic video , Volcano! Links to an external site.Please answer the following questions:

1. According to the video, where are the vast majority of the Earth's volcanoes located? What percentage? (2 points)

2. Describe how the eruption of the Hawaiian volcano Kilauea differs from the 1980 eruption of Mount St Helens. (3 points)

3. The Japanese volcano, Sakurajima erupts up to how many times per year? (1 point)

4. In the 1815 eruption of Mt Tambora in Indonesia, how many cubic miles of the mountain were sent into the atmosphere? How did this eruption affect climate? (3 points)

5. Based on what you saw and learned in this movie, describe a pyroclastic flow. (2 points)

6.  Who were the famous volcanologists killed by the Mount Unzen eruption? What specifically killed them? (2 points)

7.  What is unique about the lave emitted by Mt Lengai in Tanzania? (1 point)

8. In the 1985 eruption of the Columbian volcano, Nevada de Ruiz, 23,000 people were killed by what specifically?  (1 point)

9. The 1991 eruption of Mt Pinatubo in the Philippines was the largest volcanic eruption of the 20th century. What atmospheric event coincided with the eruption? (1 point)