Advertisements
Advertisements
Question
Differentiate between active dormant and extinct volcanoes.
Advertisements
Solution
Active volcanoes go on erupting magma continuously e.g. stromboli (North of Sicily). Dormant volcanoes erupt in accidental intervals e.g. Mt. Vesuvius in Italy. Extinct volcanoes stop eruption forever. e.g. Mt. Fujiyama in Japan.
RELATED QUESTIONS
Explain the types of volcanoes on the basis of periodicity of eruption with examples.
Give one example of volcanic mountains.
What is the difference between magma and lava?
What is called the Pacific Ring of Fire? Why is it called so?
How are hot springs formed?
Fill in the blank below:
A lava ___________is made up of basic lava flows solidified away from the vent.
Which volcano is known as the ‘lighthouse of the Mediterranean?
In which belt most of the volcanoes of the world are found?
Indicate the world distribution of active volcanoes.
Distinguish between :
Volcanic Dust and Volcanic Ash.
Why is volcanic activity often associated with mountain building ?
What is a 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.
Give reasons for the following:
The Circum-Pacific Belt of volcanoes is called ‘The Ring of Fire’.
Answer the following:
Plate margins are zones of great volcanic activity.
Give one word for the following :
A volcano which has the possibility of erupting in future.
Give one word for the following :
A volcano whose eruption buried and destroyed two Roman towns.
Which type of lavas weather into more fertile soil. Name also one useful feature of volcanicity other than soil fertility.
What is the following :
Fissure type of volcanoes
What is the following :
Spine or plug
What is the following :
Epicentre
Describe the classification of volcanoes based on the eruptions.
Iceland, the most active volcanic area is located on the ______.
