Directions: Select the letter of the correct answer. Write it on the space provided before the number.
1. The origin of the earthquake is known as the
a. focus
b. epicenter
c. fault line
d. fault plane
2. What is an epicenter?
a. the spot directly below the focus
c. the spot directly beneath the focus
b. the spot directly above the focus
d. the spot directly underneath the focus
3. What is the term used to measure the strength of the earthquake in terms of energy released?
a. magnitude
b. intensity
c. velocity
d. momentum
4. The following are ways of finding out if a fault is active. Which is NOT?
a. checking the country's historical records
c. location of the fault
b. studying the vibrations, past and present
d. observing the surroundings
5. It is determined by observing the effects of earthquakes in different places.
a. intensity
b. magnitude
c. capacity
d. volume