Available Answers

1. 1.

   Choose and write the correct answer(MCQs):

   1. The faults are present in the _________ of the earth.
      1. mantle
      2. crust
      3. core
      4. none of these
   2. In seismology we study about _________.
      1. layers of the earth
      2. earthquake shocks
      3. faults
      4. landslide 
   3. The magnitude of tremors is taken as mild if they measure or less:
      1. 1
      2. 3
      3. 2
      4. 5
   4. The point of origin of earthquake is called:
      1. hypocentre
      2. mid-centre
      3. epicentre 
      4. hypercentre
2. 2.

   Fill in the blanks:

   1. Shaking and trembling of the earth is known as _________.
   2. The ___________ is an instrument used for measuring the intensity of an earthquake.
   3. __________ Eruptions are major cause of earthquakes.
   4. Seismic waves of intensity less than 6 are not very ________.
   5. The earthquake under the water is called __________.
3. 3.

   Explain how does an earthquake occur?

4. 4.

   What are the effects of an earthquake?

5. 5.

   How do scientist measure the intensity of an earthquake?

6. 6.

   What are tsunamis? How are they caused?