Vulcan's Furnaces

15 Points Per Correct Answer - No time limit  

1. Which of the following countries has the most volcanoes? Japan Indonesia USA Italy

2. Is it possible for people to live within a volcano's caldera? Yes No

3. What does "dormant" mean when used to refer to a volcano? Active Extinct Sleeping Ready to erupt

4. Historically, the largest known volcanic explosion is which of the following? Krakatoa (Indonesia, 1883) Tambora (Indonesia, 1815) Mt. Tarawera (New Zealand, 1886) Katmai (Alaska USA, 1912)

5. The deadliest volcanoes tend to occur in the presence of this geologic phenomenon. Conservative-margin plate tectonics Erosion Subduction Convection

6. This is the scale used to measure the size of volcanic eruptions. Richter Scale Vulcan Index Volcano Eruptivity Scale Volcanic Explosivity Index

7. A pyroclastic flow is the same as a nuee ardente. True False

8. Which volcanic term is INCORRECTLY matched with its synonym? Phreatic eruption (Turbulent lava eruption) Lahar (Mudflows) Tephra (Falling particles, such as ash) Scoria (Bubbly or frothy lava rock)

9. If you lived on Earth during the past two millenia and died as a result of volcanic activity, statistically this was the most likely cause of your death. Starvation Mud and ash Tsunami Lava

10. Which of the following is NOT a benefit of volcanic activity? Geothermal power Glacier melting Valuable metal deposits Soil fertilization