Earthquakes

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what is the focus of an earthquake?
the point in the earth's crust where the earthquake originates
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what is the epicentre of an earthquake?
the point at the earth's surface directly above the focus
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what is the Richter Scale?
a logarithmic scale used for measuring earthquakes based on scientific recordings of the amount of movement
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what is the Mercalli Scale?
a means of measuring an earthquake by describing and comparing the damage done on a scale of I to XII
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what causes earthquakes?
pressure built up by friction being released
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Other cards in this set

Card 2

Front

what is the epicentre of an earthquake?

Back

the point at the earth's surface directly above the focus

Card 3

Front

what is the Richter Scale?

Back

Preview of the front of card 3

Card 4

Front

what is the Mercalli Scale?

Back

Preview of the front of card 4

Card 5

Front

what causes earthquakes?

Back

Preview of the front of card 5

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