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11918220
Multiple Hazard Zones
Description
A level Geography (Tectonic Hazards) Mind Map on Multiple Hazard Zones, created by Wesley Spearman on 17/01/2018.
No tags specified
geography
geog
a level
a2
as
mhz
disaster hotspot
multiple hazard zone
california
philippines
geography
tectonic hazards
a level
Mind Map by
Wesley Spearman
, updated more than 1 year ago
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Created by
Wesley Spearman
almost 7 years ago
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Resource summary
Multiple Hazard Zones
California
Tectonic Hazards
Earthquakes
Conservative plate boundary
Northridge 1994
57 deaths (some not directly caused by the earthquake)
8,700 injured
6.7 (Moment Magnitude)
4:31am local time
Aseismic buildings in place after San Fernando Valley quake in 1971
Modify vulnerability
$20 bil damage
Insurance
Landslides
Hydrometeorological Hazards
Droughts
2011-17 Drought
Causes
Human
High water consumption
~360 gallons per person per day
Climate change
Increased evaporation
Physical
La Nina
Created area of high pressure
Increased evaporation
Effects
98% of California affected
Worst drought in 1,200 years
34% less rain than expected
$550 mil direct cost
90% land fallowed
1,815 seasonal jobs lost in agricultural industry
~4,700 jobs lost in total
Wildfires
Vulnerability
High population density in Los Angeles and San Francisco
High economic cost if a disaster occurs
High capacity to cope
Philippines
Tectonic Hazards
Volcanic eruptions
Pinatubo 1991
Attachments:
Mt Pinatubo, Philippines 1991
Earthquakes
Landslides
Exacerbated by deforestation
100% country at risk
21 events
9,580 deaths
13,051 injuries
Hydrometeorological Hazards
Typhoons
241 events
Average 10 per year
Haiyan
11.5 mil affected
544,000 displaced
130,000 houses destroyed
2,400 deaths
3,900 injured
Hit 4:40am local time
Cat. 5
$4.55 bil damage
Asian Development Bank: $500 mil in emergency loans, $23 mil in grants
Shelterbox
Sent boxes with short term aid
Tents, blankets, mosquito nets, tools, stove, cooking equipment, hats & gloves
Droughts
Vulnerability
Densely populated
Manila one of the most densely populated cities in the world
40% population below poverty line
Low capacity to cope
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