Earthqukaes/ Tsunami/ Volcanoes Flashcards

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0
Q

What does “Shock waves” mean?

A

Seismic activity generated by the earthquakes.

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1
Q

What does Epicentre mean?

A

The point in the earth’s surface directly above the focus

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2
Q

What is a Earthquake?

A

A sudden and brief periods of intense ground shaking

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3
Q

What is a Richter scale?

A

A scale which measures earthquake based on scientific recording of the amount of movement

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4
Q

What is a Mercalli scale?

A

A means of measuring earthquakes by describing and comparing the damaged done.

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5
Q

What does “Focus” mean when talking about earthquakes?

A

The point in the earth’s crust where the earthquake originates

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6
Q

How many types of volcanoes are there?

A

Four “well we only learning two types of volcanoes”

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7
Q

What are the types of volcanoes called?

A

Composite volcano

Shield volcano

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8
Q

Describe a Shield volcano!

A

Low, wide cone Fast running lava, thin Frequent, but smooth, gentle eruptions Gentle slope On a Constructure boundary normally and found near or in the sea Large vent

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9
Q

Describe a Composite Volcano!

A

Cone shaped volcano Violent eruptions Frequent Vents. Find on a Destructive boundary. Has one large vent. Lava is thick like treacle Volcano is built on layers of rock,ash and lava ( dry out)

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10
Q

What is a Tsunami?

A

A long, high sea wave caused by an earthquake or other disturbances

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