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प्रश्न
Describe the effect of volcanic eruption of Karakatoa in 1883.
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उत्तर
Karakatoa island is situated between the islands of Java and Sumatra in the Sunda Strait. It suddenly erupted in 1883. The top of the mountain was blown away by the explosion 16 metres high tidal waves were caused killing 36,000 persons in west Java. Volcanic dust rose to a height of about 27 kilometres. This dust encircled the globe for 3 years. Its effect caused strange sunrise and sunset conditions.
संबंधित प्रश्न
Fill in the blanks with suitable words:
Volcanic activity is a ______ movement.
Give one example of an active volcano.
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Name the three types of volcanoes on the basis of the frequency of their eruption.
Fill in the blank below:
The molten rock that reaches the surface of the earth is called ______.
Name the three belts where volcanoes are found.
Indicate the world distribution of active volcanoes.
Distinguish between :
Volcanic Dust and Volcanic Ash.
What is a geyser?
Name a well known geyser.
State two ways in which lava may come out of the earth’s crust giving an example of each type of these volcanic activities.
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‘Ring of Fire’
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Plate margins are zones of great volcanic activity.
Give one word for the following:
A large sill of acid lava which has solidified gradually giving a dome-like shape.
Give one word for the following :
A volcano where magma reaches the surface through a vent or a pipe..
Describe the distribution of volcanoes in the world.
OR
Name the important belts of volcanoes.
What are the influences of volcanoes eruption on man?
OR
What is the importance of volcanoes?
OR
Mention adverse and beneficial effects of volcanoes.
What is the following :
Epicentre
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Name the three types of volcanoes based on periodicity of eruption.
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Choose the odd one.
Stromboli, Helens, Hawaii, Fujiyama
Choose the odd one
An active volcano, Dormant volcano, Extinct Volcano, Shield volcano
