Class 9 Earthquakes Mock Test (ICSE)

Topics in Earthquakes

• Causes of earthquakes
• Seismic waves
• Measurement of earthquakes
• Effects and distribution

Earthquakes practice questions with answers

1. Q1Multiple choice·1 mark
   Sudden slipping of rock masses along a fault in the earth's crust is primarily an example of which type of earthquake?

   1. (a)Plutonic earthquake
   2. (b)Tectonic earthquake
   3. (c)Volcanic earthquake
   4. (d)Collapse earthquake
   Show answer and step marks

   1. Correct option: (b) Tectonic earthquake. Slipping along faults when stress in the crust is released causes tectonic earthquakes.+1

   Answer: (b)
2. Q2Multiple choice·1 mark
   Around which major ocean is the world's most active earthquake and volcano zone, known as the 'Ring of Fire', located?

   1. (a)Indian Ocean
   2. (b)Pacific Ocean
   3. (c)Arctic Ocean
   4. (d)Atlantic Ocean
   Show answer and step marks

   1. Correct option: (b) Pacific Ocean+1

   Answer: (b)
3. Q3Multiple choice·1 mark
   Which of the following seismic waves travel exclusively along the earth's crust and generally cause the maximum destruction during an earthquake?

   1. (a)Body waves
   2. (b)Secondary waves (S-waves)
   3. (c)Surface waves (L-waves)
   4. (d)Primary waves (P-waves)
   Show answer and step marks

   1. Correct option: (c) Surface waves (L-waves)+1

   Answer: (c)
4. Q4Multiple choice·1 mark
   What is the graphical recording of seismic waves produced by an instrument during an earthquake called?

   1. (a)Epicentre trace
   2. (b)Richter graph
   3. (c)Isoseismal map
   4. (d)Seismogram
   Show answer and step marks

   1. Correct option: (d) Seismogram+1

   Answer: (d)

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