Tectonics Flashcards

1
Q

What is the point of rupture called in an earthquake?

A

Focus

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2
Q

What does magnitude mean?

A

Size or strength of an earthquake

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3
Q

What is the name of the machine that measures earthquakes?

A

The Richter Scale

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4
Q

What causes Tsunamis?

A

Underwater earthquakes caused by tectonic activity

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5
Q

What was your developing country earthquake case study and when did it happen?

A

Haiti, 2010

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6
Q

What are 2 primary impacts for your developing country earthquake case study?

A

316,000 people died, all 8 hospitals were destroyed and many schools were destroyed

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7
Q

What are 2 secondary impacts for your developing country earthquake case study?

A

Cholera broke out in squatter camps, economy crashed due to tourism stopping

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8
Q

What is one Immediate response to the Haiti, 2010 earthquake?

A

USA brought food and water to Haiti, UK’s disaster emergency committee raised £100 million to be donated

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9
Q

What is one Long Term response to the Haiti, 2010 earthquake?

A

200,000 people were paid to remove rubble, 3/4 of damaged buildings were repaired.

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10
Q

What was your developed country earthquake case study and when did it happen?

A

Tohoku, Japan 2011

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11
Q

What are 2 primary impacts for your developed country earthquake case study?

A

A tsunami and water systems were disrupted

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12
Q

What are 2 secondary impacts for your developed country earthquake case study?

A

A nuclear power plant meltdown and 127,000 buildings collapsed

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13
Q

What was one Immediate response to the Japan, 2011 earthquake?

A

Japanese soldiers helped with search and rescue, Charities around the world provided support.

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14
Q

What was one Long Term response to the Japan, 2011 earthquake?

A

12 billion dollars were spent on building a new sea wall, transport and communications services were partially restored.

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15
Q

Which layer of the Earth’s structure is the thickest?

A

Mantle

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16
Q

Which 2 layers are entirely solid?

A

Crust, Inner Core

17
Q

What are the 2 different types of crust?

A

Continental, Oceanic

18
Q

What happens when a continental plate meets a oceanic plate?

A

The oceanic plates subducts the continental plate because it is more dense.

19
Q

What is the name of the process that causes tectonic plates to move?

A

Convection Currents

20
Q

What are 2 characteristics of a shield volcano?

A

Formed at a divergent plate boundary, Non - viscous

21
Q

What are 2 characteristics of a composite volcano?

A

Formed at a convergent plate boundary, Viscous

22
Q

What is a hotspot?

A

Literally a hotspot on the Earth’s surface often found in the middle of a tectonic plate

23
Q

If it is a divergent plate boundary which way would the plates go?

A

They would go in the opposite direction

‘diverge means go away’

24
Q

If it is a convergent plate boundary which way would the plates go?

A

Move towards each other

25
Q

If it is a conservative plate boundary which way would the plates go?

A

Slide past each other in opposite directions