Eartquakes Quiz

Question 1

What is seismology?

Answer 1

The study of earthquakes

Question 2

Name the three places where earthquakes occur.

Answer 2

Near the edges of tectonic plates

Along fault lines where blocks of crust slide relative to one another

Volcanoes

Question 3

What causes earthquakes?

Answer 3

Deformation

Faults

Question 4

What is deformation? What are the two kinds of deformation?

Answer 4

Deformation is the change in shape of rock due to stress
Plastic
Elastic

Question 5

Describe plastic deformation.

Answer 5

Changes shape like molding clay. Doesn’t lead to earthquakes.

Question 6

Describe elastic deformation

Answer 6

Leads to earthquakes. When rock stretches and breaks and releases energy, returning to its original shape. Similar to a rubber band. Some energy is released as seismic waves causing earthquakes.

Question 7

What is an earthquake zone?

Answer 7

Places where a large number of faults are located

Question 8

What are seismic waves

Answer 8

Waves of energy that travel through

Question 9

What are body waves

Answer 9

Seismic Waves that travel through earths interior

Question 10

Surface waves

Answer 10

Travel along earths surface.

Question 11

What do P wave travel through?

Answer 11

Solids
Liquids
Gases

Question 12

P waves are primary waves which means what.

Answer 12

Always first detected

Question 13

What can S waves travel through?

Answer 13

Not liquids

Question 14

When do secondary waves arrive

Answer 14

After p waves

Question 15

What are the two types of surface waves.

Answer 15

Up, Down, and Around

Back and Forth

Question 16

Surface waves move more than body waves and are more ?

Answer 16

Slowly

Destructive

Question 17

What is a seismographs?

Answer 17

A machine that creates a seismogram

Question 18

What is a focus? A epicenter?

Answer 18

Focus-point inside the earth where the earthquake begins

Epicenter-point on earths surface directly above the focus

Question 19

What is an earthquake hazard?

Answer 19

Measures how likely an area is to have a damaging earthquake based on past and present seismic activity

Question 20

How many great earthquakes are there a year? Minor?

Answer 20

1 great

365,000 minor

Question 21

What is the gap hypothesis?

Answer 21

Sections of active faults that have had relatively few earthquakes are likely to be the sites of strong earthquakes in the future

Question 22

What is a seismic gap?

Answer 22

Fault areas where few earthquakes have occurred

Question 23

What is a foreshock? Aftershock?

Answer 23

Foreshock-a smaller earthquake that precedes the main quake.

Aftershock-smaller quake that co es after a large quake in the same area

Question 24

How are tsunamis 🌊 happen?

Answer 24

Subduction areas
Plates get caught, which makes pressure
They slip which causes an earth quake which make the water move 
Water hits shore and slows down 
Wall of water