Earthquake and Faults

Question 1

who first proposed the idea of the plate tectonics theory?

Answer 1

Alfred Wegener

Question 2

What is the point inside the Earth where an earthquake begins?​

Answer 2

focus

Question 3

What do you call the point on Earth’s surface above the focus where earthquake is felt most strongly?​

Answer 3

epicenter

Question 4

This is the type of seismic wave that compresses and expands the ground and it is the first wave to arrive at an earthquake.​

Answer 4

P waves

Question 5

This measures the magnitude of an earthquake.

Answer 5

Richter Scale

Question 6

This measures the intensity of an earthquake.

Answer 6

Modified Mercalli Scale

Question 7

Who developed the procedure used to measure the size of an earthquake?​

Answer 7

Charles Richter

Question 8

Surface waves have two types. This is a type of a surface wave in which travels the slowest among seismic waves. ​

Answer 8

R waves

Question 9

What is an instrument used to study earthquakes?

Answer 9

seismograph

Question 10

Which type of tectonic force is associated with a normal fault?

Answer 10

tensional force

Question 11

What type of fault occurs when a rock mass on one side of a fault slides past the other?​

Answer 11

transformational fault

Question 12

In Japanese term, what does Tsunami mean?​

Answer 12

harbor wave

Question 13

A tsunami’s energy source is formed…​

Answer 13

from under water

Question 14

the correct sequence of time arrival of seismic waves to seismograph stations

Answer 14

p waves>s waves>surface waves​

Question 15

Earthquakes are common in the Philippines because it is located in an area called…​

Answer 15

pacific ring of fire