Volcano Quiz Questions and Answers
Question: Many of the active volcanoes are situated in
(a) Atlantic Ocean
(b) Pacific Ocean
(c) Indian Ocean
(d) Arctic Ocean
Question: An active volcano, Mauna Loa, is located in:
(a) Hawaii
(b) Brazil
(c) Japan
(d) None of these
Question: The name of the largest active volcano in the world is
(a) Mauna Lao in Hawaii
(b) Mount Fuji in Japan
(c) Mount Kilimanjaro in Tanzania
(d) None of the above
Question: Which of the following volcanoes is known for its most destructive volcanic eruption in recorded history
(a) Mount Kilimanjaro
(b) Mauna Loa
(c) Krakatoa
(d) Mount St Helens
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Question: During a volcanic eruption, the extreme risk zone is within a distance.
(a) upto 100 meters
(b) 100-300 meters
(c) 300mtrs- 3 km
(d) None of the above
Question: What is a Ring of Fire?
(a) Belt of volcanoes in the Circum Pacific region
(b) Belt of volcanoes in the mid-continental region
(c) Belt of volcanoes in the Midlantic region
(d) None of the above
Question: What is Lahars ?
(a) Magma
(b) Lava
(c) Volcanic mud flow
(d) None of the above
Question: Volcanoes are generally found where
(a) Intraplates pull apart or are coming together
(b) Tectonic plates pull apart or are coming together
(c) Earth’s crust pulls apart or is coming together
(d) None of these pull apart or are coming together
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Question: The highest volcanic mountain in the world is
(a) Mauna Lao
(b) Cotopaxi
(c) Vesuvius
(d) None of the above
Question: Volcanic erupted material inside the hill/earth/mountain is called
(a) Lava
(b) Magma
(c) Lahars
(d) None of these
Question: Mount Vesuvius is an example of a/an
(a) Active volcano
(b) Dormant volcano
(c) Extinct volcano
(d) None of the above
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What is a volcano?
A volcano is a mountain, island, or landscape that is composed of unique rocks and they are often highlighted in bright colors on geological maps. Volcanoes are classified as active, dormant, or extinct based on their status. Different volcanoes produce different kinds of lava.
Land volcanoes occur when tectonic plates move under each other. Usually, an oceanic plate subducts beneath a continent, creating a volcanic region. The high pressure and heat created by the subduction process causes rock to melt and form a magma chamber. The magma then rises over weak areas in the Earth’s crust, causing an eruption.
When a volcano erupts, lava flows are the result. Magma is a semi-liquid rock that contains dissolved gases and can force its way through fissures and cracks. When it finally reaches the surface of a volcano, it may flow out like an overflowing cup. This is what we call lava. It is a form of ash that is produced during an eruption.
If you find yourself trapped near an active volcano, the best thing to do is evacuate and keep yourself and your family safe. The ash and mudfalls can be a danger, so you need to stay indoors and close all your windows.
