Earthquake & Seismology Quiz

Earthquake & Seismology Quiz

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1. S- wave is terminated at:

(A) Crust—Mantle boundary (B) Lithosphere—Asthenosphere boundary (C) Mantle—Core boundary (D) Inner and Outer core boundary

2015

2. The amplitude of ground motion during an earthquake of magnitude 7 in Richter scale is how many times more than that of a magnitude 5?

(A) 10 (B) 100 (C) 1000 (D) 10,000

2016

3. The pressure (1GPa = 10kbar) and temperature at the center of the earth is estimated to be

(A) 360 GPa, 2600 K (B) 450 GPa, 6000 K (C) 360 GPa, 6000 K (D) 450 GPa, 2600K

2017

4. Shear waves do not travel through the

(A) upper continental crust (B) upper mantle (C) lower mantle (D) outer core

2019

5. Which one of the following seismic waves involves compression and rarefaction (but not rotation) of the material that it passes through?

(A) P-waves (B) S-waves (C) Rayleigh waves (D) Love waves

2022

6. Which one of the magnitude scales given below DOES NOT saturate while estimating size of earthquakes?

(A) Local magnitude scale (ML) (B) Body wave magnitude scale (Mb) (C) Surface wave magnitude scale (MS) (D) Moment magnitude scale (MW)

2022

7. Crustal thickness is maximum at the ___________.

(A) ocean-ocean convergent plate boundary (B) ocean-continent convergent plate boundary (C) continent-continent convergent plate boundary (D) continent-continent divergent plate boundary

2023

8. Which one of the following options is the CORRECT sequence of seismic waves in order of arrival time recorded on a seismogram after an earthquake?

(A) P-waves, S-waves, Rayleigh waves, Love waves (B) P-waves, Rayleigh waves, S-waves, Love waves (C) S-waves, P-waves, Love waves, Rayleigh waves (D) P-waves, S-waves, Love waves, Rayleigh waves

2023

9. The density contrast across which one of the following transitions in the Earth is maximum?

(A) Upper crust – lower crust (B) Upper mantle – lower mantle (C) Lower mantle – outer core (D) Outer core – inner core

Not specified