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Topic Seismology
Asked 2 times across 2 UPSC exams over 35 years (1979–2014), peaking in 1979.
Key insights
- Most tested in CSE — 1 of 2 PYQs
- Most asked in 1979
- Recurs across 2 years (1979–2014)
How it travelled across exams
First appearance in each exam — the same idea, reframed.
CSE 1979 → CDS 2014
How the concept evolved
Largely a pre-2016 idea — watch for a comeback.
Related concepts
Ideas UPSC tests alongside this one — keep exploring.
Sample questions
You've seen the pattern — here are a few of the actual PYQs.
CDS2014
Which of the following statements relating to earthquakes is/are correct?
- The point of origin of an earthquake is called the epicenter
- The lines joining the places which were affected by earthquake at the same point of time are called homoseismal lines
Select the correct answer using the code given below.
- A 1 only
- B 2 only ✓
- C Both 1 and 2
- D Neither 1 nor 2
✓ Correct answer: (B)
Geography › Geomorphology
CSE1979
Richter scale is used to measure
- A Earthquakes ✓
- B Ocean depth
- C Intensity of wind
- D Temperature of the body
✓ Correct answer: (A)
Geography › Geomorphology
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