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Flashcards in EQ2 Deck (12)
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1
Q

what geographical factors influence vulnerability and resilience?

A

population density
isolation
accessibility
degree of urbanisation

2
Q

what were the effects of the sichuan earthquake?

A

5 million homeless

45 million people in total affected

3
Q

developed volcano?

A

mt saint helens 1980
63 people killed by poisonous gases
lahars covered large area surrounding volcano.
sediment carried downstream ruined barge transport on Columbia River.

4
Q

developing volcano?

A

mt nyiragongo 2002
14 villages destroyed in lava flow
245 total deaths but rural area
lava flow made it difficult to travel around goma as it filled roads-aid unavailable in inaccessible regions.

5
Q

developed earthquake?

A
tohuku tsunami 2011
magnitude 9.0
pacific plate subducted under north american plate 
estimated cost 300$ billion
level 7 nuclear incident at fukushima
6
Q

developing earthquake?

A

nepal 2015
continental collision boundary: indian and eurasian plate.
19,000 injured
35% GDP lost
loss of tourism: unesco world heritage sites in kethmandu destroyed.

7
Q

developing tsunami?

A

indian ocean 2004
countries affected lics: india, myamar, kenya, tanzania…
mangrove forests had been removed for tourist developments.
230,000 deaths
1.7 mill homeless
8 mill litres of oil spilled from oil plants in indonesia.

8
Q

what is the mercali scale?

A

measures intensity of earthquakes-effect and damage

changes according to where you’re measuring:damage near epicentre greater than further away.

9
Q

what is the MMS?

A

measures magnitude of earthquake by measuring seismic energy released. uses newer technologies than richter, more accurate, basically a level richter

10
Q

what is the VEI?

A

relative measure of explosiveness of volcnic eruptions, logarithmic scale.

11
Q

whats on hazard profiles?

A

magnitude, speed of onset and areal extent,

duration, frequency, spatial predictability

12
Q

how does education influence vulnerability and resilience? yawn``

A

improves socio economic staus, allowing individuals to afford better quality housing in low risk zones.
educated people have greater flexibility