Earthquakes

Question 1

What is an earthquake + where does it happen

Answer 1

An earthquake is the shaking of the earth caused by the movement of the earth’s crust. Occurs at converging or passive plates

Question 2

Seismologists

Answer 2

Scientists that study earthquakes

Question 3

Focus

Answer 3

The place where the earthquake begins underneath the earth’s surface

Question 4

Shockwaves

Answer 4

Seismic waves that spread out in circles from the focus

Question 5

Epicentre

Answer 5

The point on the earth’s surface directly above the focus, where the earthquake is strongest

Question 6

Fault

Answer 6

large crack in the earth’s crust

Question 7

Tsunami

Answer 7

Underground earthquake -2004 Indian ocean tsunami, 220,000 dead

Question 8

Instrument used to measure earthquakes

Answer 8

Seismograph

Question 9

Scale used to measure earthquakes

Answer 9

Moment magnitude scale

Question 10

How to reduce earthquake damage

Answer 10

Steel cage so that the building can sway
Deep foundation
Rubber shock absorbers