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प्रश्न
How are volcanoes classified based on the periodicity of their eruptions?
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उत्तर
Based on the periodicity of eruptions, volcanoes are classified into
- Active Volcano:
Active volcanoes are those which constantly eject volcanic lava, gases and fragmented materials Eg: Mount St. Helens in the United States.
- Dormant Volcano:
- Volcanoes that do not show any sign of volcanic activity for a long period of time are known as dormant volcanoes.
- Sometimes there may be a sudden explosion which may cause unimaginable loss to life and property.
- Eg: Mt. Fuji, Japan
- Extinct or Dead Volcano:
When a volcano permanently stops its volcanic activity, then it is called an extinct or dead volcano. Eg: Mt. Kilimanjaro, Tanzania.
APPEARS IN
संबंधित प्रश्न
Statement I: Mountain ranges are formed by the collision of tectonic plates
Statement II: The movement of tectonic plates is due to the thermal energy from the mantle.
Mention its major components volcano.
Write a note on the internal and external processes of Earth.
The movement of tectonic plates is due to ______ energy from the mantle.
An opening serving as an outlet for air, smoke, fumes, magma, etc. is called ______.
Match the following:
| (a) | Active Volcano | (i) | Mt. Kilimanjaro |
| (b) | Dormant Volcano | (ii) | Strata Volcano |
| (c) | Extinct Volcano | (iii) | Mt. St. Helens |
| (d) | Composite Volcano | (iv) | Mt. Fuji |
| (e) | Shield Volcano | (v) | Mauma loa |
Explain the major components of a volcano.
Pacific Ring of Fire – What do you understand by the term?
These waves are the fastest of all the Earthquake waves.
Which one of the following processes is a gradational process?
