Why Some Areas Suffer More — LIC Vulnerability Cause-Chain
Part of Weather Hazards — GCSE Geography
This causation covers Why Some Areas Suffer More — LIC Vulnerability Cause-Chain within Weather Hazards for GCSE Geography. Revise Weather Hazards in The Challenge of Natural Hazards for GCSE Geography with 15 exam-style questions and 24 flashcards. This topic shows up very often in GCSE exams, so students should be able to explain it clearly, not just recognise the term. It is section 6 of 14 in this topic. Use this causation to connect the idea to the wider topic before moving on to questions and flashcards.
Topic position
Section 6 of 14
Practice
15 questions
Recall
24 flashcards
⛓️ Why Some Areas Suffer More — LIC Vulnerability Cause-Chain
Typhoon Haiyan's death toll reflected not just meteorological power but the vulnerability of the people in its path. Comparing the Philippines (a lower-middle-income country) with higher-income nations shows how the same physical hazard produces vastly different human outcomes. The physical hazard was fixed by nature; the human vulnerability was shaped by history, economics, and policy decisions made long before the storm formed.
Millions of Filipinos live on low-lying coastal land not from choice, but because this is where fishing-based livelihoods exist and where land is accessible to people with limited income. When your livelihood depends on the sea, you cannot simply relocate inland. This creates a structural trap: the most economically vulnerable populations are simultaneously the most physically exposed to storm surges. Wealth does not eliminate this trap, but it creates choices — HIC residents in surge zones can be offered alternative relocation with compensation.
The majority of housing in coastal Tacloban was built from bamboo, wood, and corrugated iron — the most affordable materials available to low-income families. These structures cannot resist either 195 mph winds or a 7.5 m surge; they were simply swept away. Even reinforced concrete buildings suffered significant damage. In the USA, building codes in designated hurricane zones require storm-resistant construction, elevated foundations, and storm shutters — standards enforced and affordable because of greater national wealth.
Before Haiyan, typhoon warnings in the Philippines focused primarily on wind speed and rainfall. Storm surge warnings existed but were not communicated separately or translated into terms ordinary people could visualise. "7.5-metre storm surge" meant little to people who had experienced previous typhoons as wind-and-rain events. They knew how to survive wind; they did not know the sea was about to arrive. US emergency management agencies, by contrast, produce detailed surge inundation maps showing exactly which streets will flood and to what depth — maps distributed weeks before storm landfall to allow evacuation decisions.
The Philippines lacked the vehicle fleet, highway capacity, and fuel infrastructure to evacuate hundreds of thousands of coastal residents rapidly. Many lacked private transport and depended on public systems quickly overwhelmed. Some evacuees were taken to multi-storey schools as shelters — adequate for wind, but death traps when the surge exceeded first-floor height. In the USA, highway contraflow systems (reversing all lanes to outbound-only) can evacuate millions from major coastal cities within 24–48 hours.
The Philippines' GDP per capita in 2013 was approximately $2,800. The $12 billion economic damage from Haiyan represented roughly 5% of the country's entire GDP. Reconstruction required massive international aid; families remained in temporary shelters for years; underlying poverty — and thus underlying vulnerability to the next typhoon — was largely unchanged. When Hurricane Harvey struck Texas in 2017 causing $125 billion damage, the USA's economic base and insurance system (most properties insured under the National Flood Insurance Program) absorbed much of the cost within a few years.
This is the central lesson: the geography of risk is shaped as much by human decisions (where to build, what to build with, how to warn, how much to invest in preparedness) as by the physical geography of the storm. Typhoon Haiyan was not just a natural disaster — it was also a social one.
LIC vs HIC: Comparing Responses to Tropical Storms
| Factor | LIC (Philippines — Haiyan 2013) | HIC (USA — Katrina 2005) |
|---|---|---|
| Typical death toll | Thousands (Haiyan: 6,300+) | Usually hundreds; Katrina: 1,836 — high for a HIC and reflects internal inequality |
| Evacuation | Limited vehicle fleet, poor roads, many cannot afford transport | Contraflow highway systems activated; mass vehicle evacuation of millions (though failures for the poorest remain) |
| Early warning | Track prediction good (5–7 days); surge warnings unclear; communication gaps | Detailed track, surge inundation maps, Category system widely understood |
| Building quality | Bamboo/wood/iron in poor communities; limited code enforcement | Hurricane codes enforce storm-resistant construction; elevated foundations; shutters |
| Insurance | Under 10% of households insured | Majority insured; National Flood Insurance Program provides additional coverage |
| Recovery speed | 3–5 years; dependent on international aid; corruption risks | Years, but government funding and insurance accelerate reconstruction |
Note: Hurricane Katrina's high death toll in a HIC reflects how poverty and racial inequality intersect with storms — New Orleans's poorest residents, who disproportionately lacked cars and lived in low-lying areas, could not evacuate. Even in HICs, vulnerability is not evenly distributed.