QUEATION ON VOLCANOES

Try to attain on the any or every question. Click answer one button in front of your choice after click view answer. In a response to let you know if you have the  CORRECT  or  INCORRECT  will be highlighted in a same page. Do not forget to read the response. It is one of the challenges to help you learn the general knowledge.

1. Which of the following countries has the most volcanoes?

Italy

Japan

Indonesia

USA

2. What does "dormant" mean when used to refer to a volcano?

Extinct

Active

Ready to erupt

Sleeping

3. Historically the largest known volcanic explosion is which of the following?

Karakota(Indonesia 1883)

Tambora(Indonesia 1815)

Mt.Tarawera(NewZealand 1886)

Katmai (Alaska USA 1912)

4. The deadliest volcanoes tend to occur in the presence of this geologic phenomenon-

Erosion

Conservative-margin plate tectonics

Convection

Subduction

5. This is the scale used to measure the size of volcanic eruptions-

Richter Scale

Vulcan Index

Volcano Eruptivity Scale

Volcanic Explosivity Index

6. Which volcanic term is incorrectly matched with its synonym?

Phreatic eruption(Turbulent lava eruption)

Lahar(Mudflows)

Tephra(Falling particales, such as ash)

Scoria (Bubbly or frothy lava rock)

7. If you lived on Earth during the past two millennia and died as a result of volcanic activity, statistically this was the most likely cause of your death?

Lava

Tsunami

Starvation

Mud and ash

8. A supervolcano is a type of volcano. But what is it about supervolcanoes that make them so "super"?

when erupting they shoot magma into space.

They are taller than the average volcano

Their eruptions are large and catastrophic

They are capable of being active for hundreds of years at a time

9. What is created after a catastrophic eruption of a supervolcano?

Crater

Canyon

Mountain

Caldera

10. There are several volcanic areas in the world considered to be supervolcanoes. Which of the following is a supervolcano?

Mount St.Helens

Yellowstone National Park

Lake Superior

Banff National Park

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