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- 1. Fill in the Blank
_____________ is a sudden and violent shaking of the ground, sometimes causing great destruction, as a result of movements within the earth's crust or volcanic action.
- 2. Fill in the Blank
__________________is the study of earthquakes and seismic waves that move through and around the earth.
- 3. Multiple Choice
The point within the earth where rock is under stress is called _________________________.
Focus
Epicenter
- 4. Multiple Choice
The point directly above the focus on the surface is called ___________________.
Epicenter
Hypocenter
- 5. Fill in the Blank
__________is a thin zone of crushed rock separating blocks of the earth's crust.
- 6. Fill in the Blank
An instrument used to detect and record earthquakes is called _______________.
- 7. Multiple Choice
_______________is a measure of the “size,” or amplitude, of the seismic waves generated by an earthquake source and recorded by seismographs.
magnitude
intensity
- 8. Multiple Choice
_________________is a number (written as a Roman numeral) describing the severity of an earthquake in terms of its effects on the earth's surface and on humans and their structures.
magnitude
intensity
- 9. Fill in the Blank
__________is a measure of the strength of earthquakes, developed by Charles F. Richter and presented in his landmark 1935 paper, where he called it the "magnitude scale".
- 10. Fill in the Blank
These earthquakes are of weak magnitude earthquakes happen in the caverns and mines.
- 11. Multiple Choice
What is the shaking of the Earth’s crust caused by a release of energy?
Earthquake
Epicenter
Fault
Plate
- 12. Multiple Choice
Which of the following is NOT a cause of an earthquake?
Collapse of Cavern
Eruption of Volcano
Lightning Strikes
Moving Tectonic Plates
- 13. Multiple Choice
Which type of wave is the first to arrive after an earthquake occurs?
P Wave
Rayleigh Wave
S Wave
Shear Wave
- 14. Multiple Choice
Which body waves cause particles of rock material to move at right angles to the direction in which the waves are traveling?
Body Waves
P Waves
S Waves
Surface Waves
- 15. Multiple Choice
What is another term for P Wave?
Compression Wave
Principal Wave
Shear Wave
Secondary Wave
- 16. Multiple Choice
What year did the strongest earthquake in Indonesia happen?
2003
2004
2005
2006
- 17. Fill in the Blank
In what country did the strongest earthquake ever recorded in history happen?
- 18. Fill in the Blank
What is a smaller earthquake that follows a larger earthquake?
- 19. Fill in the Blank
What is a large ocean wave that results from an underwater earthquake, landslide, or volcanic eruption?
- 20. Multiple Choice
In what year did the strongest earthquake ever recorded in history happen?
1950
1960
1970
1980
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