Name: 
 

How to Measure Earthquakes? - Practice Exercise 3-6



Multiple Choice
Identify the letter of the choice that best completes the statement or answers the question.
 

 1. 

The Richter scale was developed in the 
a.
1940s. 
c.
1950s. 
b.
1930s. 
d.
1910s. 
 

 2. 

When measuring earthquakes
a.
scientists measure the vibration caused by the earthquake. 
c.
pressure in the upper mantle. 
b.
the new distance between plates. 
d.
None of the above is correct.
 

 3. 

Choose the incorrect statement. Earthquakes cause _______. 
a.
electromagnetic vibration 
b.
surface waves 
c.
body waves 
d.
compressional waves. 
 

 4. 

Chose the best statement. 
a.
The first indication of an earthquake is often a sharp thud. 
b.
The surface waves can be compressional and shear. 
c.
Shear waves travel rapidly across the crust. 
d.
The theory of plate tectonics was developed in the 1950s.
 

 5. 

S waves travel through 
a.
the upper mantle and the lower core. 
b.
the inner core and upper core. 
c.
the upper mantle and the lower mantle. 
d.
the core only
 



 
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