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