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Science1 

 ________________________________ September 2, 2011

Course&yr:_________ Score:

Earthquake (First quiz/Semi-final)

Direction: Write the letter of the correct answer before each number.

1.  It is the vibration of Earth produced by the rapid release of energy.

a. magnitude b. evolution c. earthquake d. faults

2.  The point within Earth where the earthquake starts.

a. epicenter b. focus c. center d. fault

3.  These are large fracture of the Earth’s crust. 

a. faults b. focus c. epicenter d. bedrock

4.  The adjustments that follow a major earthquake often generate small earthquakes.

a. foreshocks b. pre-shock c. aftershock d. post shock

5.  The term used to denote the springing back of the rock to its original shape.

a. reformation b. elasticity c. elastic rebound d. reformation rebound

6.  A small earthquake that often precedes a major earthquake.

a. foreshocks b. pre-shock c. aftershock d. post shock

7.  These are instruments that record earthquake waves.

a. seismographs b. seismology c. seismograms d. seismos

8.  Earthquakes are repetitive.

a. true b. false c. maybe d. not at all times

9.  The word seismos means  _______

a. shock b. bounce c. shake d. spring10. A seismogram shows all three types of seismic waves, except

a. P waves b. surface waves c. Sea waves d. Secondary waves

11. Seismic waves that travel along Earth’s outer layer 

a. P waves b. surface waves c. tectonic waves d. S waves

12. It is located using the difference in the arrival times between P and S wave recordings,

which are related to distance.

a. epicenter b. focus c. center d. fault

13. Waves that travel along Earth’s outer layer. 

a. S waves b. P waves c. body waves d. surface waves 

14. 

Waves that travel through Earth’s interior. a. S waves b. P waves c. body waves d. surface waves

15. Other term for Tsunami

a. surface waves b. body waves c. seismic sea waves d. Secondary waves

16. Produced by stress changes in solid rock due to the injection or withdrawal of magma

a. volcanic earthquakes b. volcano-tectonic earthquakes 

c. tectonic earthquakes d. long period earthquakes

17. Produced by the injection of magma into surrounding rock

a. volcanic earthquakes b. volcano-tectonic earthquakes

c. tectonic earthquakes d. long period earthquakes

18. This is an area along a fault where there has not been any earthquake activity for a long

period of time.

a. seismic area  b. fault c. focus d. seismic gap 

19. This layer is composed of an iron-nickel alloy and has average density of nearly 11 g/cm3 

a. crust b. focus c. core d. mantle

20.  A measure of the degree of earthquake shaking at a given locale based on the amount

of damage

a. magnitude b. aftershock c. intensity d. level

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21. The measurement that was developed relies on calculation that use data provided by

seismic records to estimate the amount of energy released at the source of the

earthquake.

a. magnitude b. aftershock c. intensity d. level

22. Faults which move along the direction of the dip plane

a. strike-slip faults b. normal faults c. dip-slip faults d. oblique-slip faults23. Faults which show both dip-slip and strike-slip motion

a. strike-slip faults b. normal faults c. dip-slip faults d. oblique-slip faults

24. Faults which move horizontally and are classified as either right-lateral or left-lateral

a. strike-slip faults b. normal faults c. dip-slip faults d. oblique-slip faults

25. It is the study of earthquake waves.

a. seismographs  b. seismograms c. seismology d. seismography

26. “Damage total. Waves seen on the ground surfaces.” (Modified Mercalli Intensity Scale) 

a. XIII b. X c. XII d. XI

27.  “Damaging shocks.”(Richter Magnitudes)

a. 4.0-4.9 b. 5.0-5.9 c. 6.0-6.9 d. 7.0-7.9

28.  Where two plates move apart, resulting in upwelling of material from the mantle to

create new sea floor

a. convergent plate boundaries b. divergent plate boundaries 

c. transform fault boundaries c. divergent fault boundaries

29. This scale is based on the amplitude of the largest seismic wave recorded in the

seismogram.

a. Modified Mercalli Intensity Scale b. Ritcher scale c. moment magnitude d. weighing

scale

30. “Major earthquakes. Inflict serious damage.”(Richter Magnitudes) 

a. 4.0-4.9 b. 5.0-5.9 c. 6.0-6.9 d. 7.0-7.9

31. This is derived from the amount of displacement that occurs along the fault zone and isthe most widely used measurement for earthquakes.

a. magnitude b. moment magnitude c. intensity d. travel-time graphs

32.  The following are dangers related to earthquake, except

a. fire b. landslide c. tidal waves and ash fall d. seismic sea waves

33. This is used to determine the distance to the epicenter.

a. travel-time graphs b. magnitude c. moment magnitude d. seismogram

34. About what percentage of the major earthquakes occur in a few narrow zones.

a. 85 percent b. 94 percent c. 95 percent d. 84 percent

35. A zone of fractures between two blocks of rock.

a. fault b. focus c. epicenter d. danger zone