Vulcan's Furnaces

15 Points Per Correct Answer - No time limit  

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

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? Extinct Active Ready to erupt Sleeping

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

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. Vulcan Index Richter Scale Volcanic Explosivity Index Volcano Eruptivity Scale

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

8. Which volcanic term is INCORRECTLY matched with its synonym? Tephra (Falling particles, such as ash) Phreatic eruption (Turbulent lava eruption) Lahar (Mudflows) 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. Tsunami Lava Mud and ash Starvation

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