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Geography > Earthquakes > Flashcards

Earthquakes Flashcards

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1
Q

Types of tectonic hazards

A

Earthquakes

Volcanoes

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2
Q

Why do people live in an area of tectonic risk

A

1: Ignorance of the risks
2: Advantages of the area
3: Lack of alternatives
4: Inertia

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3
Q

Eastern Sichuan, China earthquake

Magnitude
Estimated deaths
Cost of Damage (US dollars)

A

7.9
87587
150 billion

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4
Q

Central Alaska USA earthquake

Magnitude
Estimated deaths
Cost of damage

A

7.9
0
0

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5
Q

Samoa Islands earthquake

Magnitude
Estimated Deaths
Cost of Damage

A

8.1
192
3 million

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6
Q

Kuril Islands

Magnitude
Estimated deaths
Cost of Damage

A

8.3
0
0

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7
Q

Hokkaido Japan earthquake

Magnitude
Estimated Deaths
Cost of Damage

A

8.3
1
1 million

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8
Q

Southern Sumatra Indonesia

Magnitude
Estimated Deaths
Cost of Damage

A

8.5
25
180 million

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9
Q

Northern Sumatra, Indonesia earthquake

Magnitude
Estimated number of Deaths
Damage

A

8.6
1313
2.2 billion

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10
Q

Maule Chile earthquake

Magnitude
Estimated number of Deaths
Total cost of damaged

A

8.8
507
15 billion

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11
Q

Honshu Japan earthquake

Magnitude
Estimated number of Deaths
Total cost of Damage

A

9.0
20896
300 billion

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12
Q

Cycle of disaster response

A

1: Hazard
2: Emergency Response
3: Recovery
4: Reconstruction
5: Prevention
6: Monitoring
7: Preparation

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13
Q

What does seismic retrofitting do?

A

Provides existing structures with more resistance to earthquakes. Strengthening weak connection points between the foundations and the rest of the building, or between the walls and roof.

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14
Q

Some retrofit methods

A

Addition of cross braces
Addition of base insulators
Addition of dampers
Increasing load capacity

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15
Q

How many hospitals are at risk in the Bay Area

A

76

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16
Q

How many fire police and local government facilities are at risk in the Bay Area

A

2970

17
Q

How many elementary schools are at risk in the Bay Area

A

987

18
Q

How many intermediate or middle schools are at risk in the Bay Area.

A

164

19
Q

How many high schools are at risk in the Bay Area

A

233

20
Q

How many collages or universities are at risk in the Bay Area

A

62

21
Q

How many bridges and interchanges are at risk in the Bay Area

A

2721

22
Q

What length of Bay Area Rapid Transit tracks are at risk in the Bay Area

A

150km

23
Q

What length of roads are at risk in the Bay Area

A

30350

Geography (5 decks)

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