Earthquakes Flashcards
1
Q
Name the 3 parts of an earthquake
A
The focus, the seismic waves and the epicentre
2
Q
What is the focus of an earthquake?
A
The point at which pressure is released and energy radiates from
3
Q
What are the seismic waves of an earthquake?
A
Vibrations that come in waves, causing more destruction in areas hit by stronger waves
4
Q
What is the epicentre of an earthquake?
A
The point of the earth’s crust that is directly above the focus
5
Q
What is used to measure the magnitude of an earthquake?
A
The Moment Magnitude Scale
6
Q
What is the measuring system that The Moment Magnitude Scale uses?
A
Logarithmic
7
Q
What is a logarithmic scale?
A
Where each level of magnitude is 10x as strong as the last
8
Q
What tool can help predict when earthquakes are going to happen?
A
A seismometer
