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NCEA Level 2 science > Tsunami > Flashcards

Tsunami Flashcards

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1
Q

How are tsunamis measured?

A

The DART system (detect tsunamis by measuring changes in water pressure)

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2
Q

Causes of tsunami (other than seafloor earthquake) include

A

Submarine landslides, and under water volcanic eruptions

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3
Q

Series of long wave-length water waves caused by displacement of large volume of a body of water

A

Tsunami

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4
Q

Most common cause of tsunami - sudden change to seafloor due to..

A

Seafloor earthquake> richter magnitude 7

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5
Q

Mountain slips into sea - landslide that displaces large water volume is a

A

Submarine landslide

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6
Q

Can be generated when thrust faults at plate boundaries move suddenly

A

Tsunamis

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7
Q

A tsunami is a displacement of water caused by _________ transmission

A

Energy

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8
Q

Direction of seafloor movement that displaces water causing tsunami

A

Vertical

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9
Q

The carrier of energy from an earthquake through water

A

Wave

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NCEA Level 2 science (3 decks)

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