Earthquakes Flashcards

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1
Q

Name the 3 parts of an earthquake

A

The focus, the seismic waves and the epicentre

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2
Q

What is the focus of an earthquake?

A

The point at which pressure is released and energy radiates from

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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

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4
Q

What is the epicentre of an earthquake?

A

The point of the earth’s crust that is directly above the focus

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5
Q

What is used to measure the magnitude of an earthquake?

A

The Moment Magnitude Scale

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6
Q

What is the measuring system that The Moment Magnitude Scale uses?

A

Logarithmic

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7
Q

What is a logarithmic scale?

A

Where each level of magnitude is 10x as strong as the last

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8
Q

What tool can help predict when earthquakes are going to happen?

A

A seismometer

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