TECTONICS Flashcards

1
Q

When was the Nepal earthquake?

A

April of 2015

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2
Q

What magnitude was the Nepal earthquake?

A

7.8

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3
Q

What happened a week before the Nepal earthquake hit?

A

Earthquake experts had gathered in Kathmandu to discuss preparation

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4
Q

What boundaries does Nepal sit on?

A

The Indian and the Eurasian

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5
Q

How far away was the Nepal epicentre away from Kathmandu

A

80km away

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6
Q

What was the initial death count from the Nepal earthquake?

A

8600

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7
Q

What was the initial injury count from the Nepal earthquake?

A

21,000

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8
Q

How many people were left homeless after the Nepal 2015 earthquake?

A

3 million

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9
Q

At what time during the day did the Nepal earthquake occur?

A

Midday, when most people were at work

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10
Q

What were the secondary impacts of the Nepal 2015 earthquake?

A
  • Landslides in the Himalayas, which cut off communities (decreased aid and relief efforts)
  • The tourism economy took a hit
  • Extensive aftershocks
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11
Q

What was the economic cost of the Nepal 2015 earthquake (and percentage of GDP)

A

$5bn, 25% of GDP

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12
Q

When was the Montserrat Volcano?

A

18th July 1995

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13
Q

Montserrat: How long were the ash clouds being erupted?

A

5 years

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14
Q

Montserrat: What was the name of their capital that was destroyed?

A

Plymouth

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15
Q

Montserrat: What fraction of houses were destroyed?

A

2/3

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16
Q

Impacts of the 1995 Montserrat volcano?

A
  • Unemployment increased, decrease in tourism
  • Farmland was destroyed/abandoned
  • Top heavy population pyramid
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17
Q

When was the Indian Ocean Tsunami?

A

2004

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18
Q

Indian Ocean Tsunami: Where was the earthquake?

A

Off the coast of Indonesia (this caused the tsunami)

19
Q

Indian Ocean Tsunami: What was the magnitude of the earthquake that caused the tsunami?

20
Q

Indian Ocean Tsunami: How tall was the tsunami?

A

15m tall, with severe shock waves

21
Q

Indian Ocean Tsunami: Why was the Indian Ocean Tsunami so severe

A
  • Low-lying land meant that the surge moved several km inland
  • Devastating to coastal settlements
  • No warning system in the Indian Ocean
22
Q

Indian Ocean Tsunami: What industries were greatly affected?

A

Fishing, tourism and agriculture economies

23
Q

What was the economic cost of the Indian Ocean Tsunami?

24
Q

When was the 2005 Kashmir earthquake?

25
How do the hazard profile characteristics relate to the 2005 Kashmir earthquake?
1. Frequency (last earthquake in the 1900s) 2. Spatial predictability (Kashmir is a seismic gap)
26
How many people died during the 2005 Kashmir earthquake?
87,000
27
How many people were displaced during the 2005 Kashmir earthquake?
2.8 million
28
How many schools were destroyed during the 2005 Kashmir earthquake?
17,000
29
How many healthcare centres were destroyed during the 2005 Kashmir earthquake?
800
30
When was the Haiti earthquake?
January 12th 2010
31
Compare Japan and Myanmar in terms of their hazard exposure score
Japan: Highly exposed, subject to multiple hazards Myanmar: High risk for earthquakes and tsunamis
32
Compare Japan and Myanmar in terms of their vulnerability
Japan: High compared to other wealthy nations (ageing population) Myanmar: Moderate risk (although relatively low)
33
Compare Japan and Myanmar in terms of their capacity to cope
Japan: Good; elderly are educated and connected. Little corruption. Myanmar: Poor; low connection for older people, poor education
34
Compare Japan and Myanmar in terms of the overall risk
Japan: 113/190; Strong capacity to cope and lower levels of vulnerability Myanmar: 7/190; Disaster risk to elderly citizens is proportionately high in comparison.
35
Give an overview of the 2010 Hatian earthquake
- Large-scale earthquake on January 12th - 13km S-SE of Petit Troup de Nippes - Widely felt
36
Outline the impacts of the 2010 Haitan earthquake
- 9,000 deaths from cholera - 700,000 affected - Source of outbreak is disputed (Artibone river which was a source of drinking water, Nepalese aid may have brought in the outbreak)
37
Outline why developed countries often see less consequences following hazards
- Advanced widespread insurance - Government run preparations - Sophisticated monitoring (hi-tech volcano monitoring) - Regulated local planning systems
38
What hazard do you use for comparing levels of development (emerging countries)
Sichuan
39
Outline the Sichuan earthquake
- 0.73 - 69,000 deaths - 375,000 injured - $140bn economic costs - Immediate rapid response
40
What hazard do you use for comparing levels of development (developing)
Haiti
41
Outline the Haiti earthquake
- 0.48 - 160,000 deaths - 250,000 homes destroyed - Decades of corrupt, ineffective and brutal governance increases vulnerability
42
How was E15 a megadisaster? (volcano)
- March 2010, ash plume affected much of Europe, grounding flights. There were no direct deaths and it was considered a small eruption - Evaluating effect on the global supply chain: M and X affected, no air freight
43
How was the Tohoku, Japan a megadisaster? (tsunami)
- Magnitude 9.0 in March 2011 - Produced a tsunami that caused destruction in Tohoku - Eroded trust in Japanese government and nuclear energy policies - Evaluating impact on costs and attitudes towards nuclear energy: hit Fukushima powerplant, increased radioactive releases and decreased world affordability by decreasing the supply.