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WorksheetsEARTHQUAKE
Total questions: 20
Worksheet time: 11mins
(a) 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.
(a) is the study of earthquakes and seismic waves that move through and around the earth.
The point within the earth where rock is under stress is called _________________________.
Focus
Epicenter
The point directly above the focus on the surface is called ___________________.
Epicenter
Hypocenter
(a) is a thin zone of crushed rock separating blocks of the earth's crust.
An instrument used to detect and record earthquakes is called (a) .
_______________is a measure of the “size,” or amplitude, of the seismic waves generated by an earthquake source and recorded by seismographs.
magnitude
intensity
_________________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
(a) 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".
These earthquakes are of weak magnitude earthquakes happen in the caverns and mines.
(a)
What is the shaking of the Earth’s crust caused by a release of energy?
Earthquake
Epicenter
Fault
Plate
Which of the following is NOT a cause of an earthquake?
Collapse of Cavern
Eruption of Volcano
Lightning Strikes
Moving Tectonic Plates
Which type of wave is the first to arrive after an earthquake occurs?
P Wave
Rayleigh Wave
S Wave
Shear Wave
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
What is another term for P Wave?
Compression Wave
Principal Wave
Shear Wave
Secondary Wave
What year did the strongest earthquake in Indonesia happen?
2003
2004
2005
2006
In what country did the strongest earthquake ever recorded in history happen?
(a)
What is a smaller earthquake that follows a larger earthquake?
(a)
What is a large ocean wave that results from an underwater earthquake, landslide, or volcanic eruption?
(a)
In what year did the strongest earthquake ever recorded in history happen?
1950
1960
1970
1980
