Test 4 Flashcards

1
Q

Most of the occurrence of earthquakes and formation of the volcanoes and mountains are found ____________.

A

along the plate boundaries

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2
Q

Identify the plate boundary between Nazca and South American plates.

A

convergent

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3
Q

The difference in P- and S- waves time arrival in Whole Cake Island is ______________________.

A

180 s

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4
Q

Identify the plate boundary between Antarctic and Pacific plates.

A

divergent

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5
Q

What made seismologists conclude that the outer core is liquid?

A

S-waves cannot travel through it

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6
Q

Which type of stress is associated with the converging plate boundary?

A

compression

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7
Q

The Philippine archipelago was formed due to the collision of the Philippine Sea Plate and

Indo-Australian Plate to plate.

A

Eurasian

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8
Q

Continental crusts are mostly composed of what type of rocks?

A

granite

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9
Q

What do you call the stress on rocks directed outward resulted in the creation of new crust at the center?

A

tension

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10
Q

What type of boundary does the picture illustrate?

Two plates push each others

A

convergent

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11
Q

Identify the plate boundary between Nazca and Antarctic plates.

A

transform fault

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12
Q

Which type of stress produces landforms like mountain ranges and volcanoes?

A

compression

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13
Q

San Andreas in California is an example of plate boundary.

A

transform fault

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14
Q

Which station is closest or nearest to the epicenter?

A

Gold City

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15
Q

According to the Plate Tectonic Theory, ___________________________________________.

A

the Earth’s crust is constantly moving due to the convection current underneath

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