1. Recently Japan experienced sea waves because of seismic vibration of the sea floor. What do
you call the gigantic sea waves?
a. Tropical Storm b. Tropical Depression
c. Tsunami
d. Typhoon
2. When rocks slip along a fault, seismic vibration occurs. What is the origin of vibration inside
the earth?
a. Epicenter
b. Magnitude
c. Focus
d. Intensity
3. When a great earthquake occurs on the land that damages affect wide areas. What is the
measure of the effect of an earthquake?
a. Magnitude b. Intensity
c. Focus
d. Epicenter
4. Which body of water is the eastern side of Philippines and covers a large area of PAR?
a. Celebes Sea
b. Pacific Ocean
c. South China Sea
d. Sulu Sea
5. It is the spot area of the earth that is directly above the focus
b. Focus
a. Epicenter
d. Fault
c. Origin
6. The term typhoon is used only in the northwestern part of the Pacific Ocean. In the
northeastern part of the Pacific Ocean and in the northern Atlantic Ocean, the equivalent term is
b. Hurricane
a. Breeze
d. Tornado
c. Storm surge
7. Which of the following instruments to used to measure ground movements caused by seismic
waves?
a.Anemometer
b. Barometer
d.Thermograph
c. Seismograph​