1.10 - Philippines Flashcards
Which hazards are present in the Philippines?
Typhoons
Earthquakes
Volcanoes
What are the names of the currents in whose path the Philippines lies in?
El Niño
La Niña
What is El Niño?
- Is the warm phase of a cycle of warm and cold sea surface temperatures.
- dry weather
- wildfires are very likely
What is La Niña?
- Is the cold phase of a cycle of warm and cold sea surface temperatures.
- wet weather
- heavy rainfall is common
When is the monsoon season?
- May to Feb
Which direction do the rain bearing winds come from?
- NE (Nov to Feb)
- SW (May to Oct)
Where is Manila in the Philippines?
On the West coast
How long does typhoon season last?
- June to December
- ≈20 per year
- 7-10 cause perceivable damage
What risks do typhoons pose on their own?
- risk of flooding, landslides and storm surges at coasts
- saturation of hills can lead to mass movement of things on hills
- unstable when EQ hits
Where does the Philippines rank on the World Risk Index?
3rd (2016)
How many of the worlds top ten at risk cities are in the Phillipines?
8
What proportion of the population are exposed to 2 or more hazards?
74%
How many volcanoes are there?
37
18 are active
What proportion of the Philippines lives in poverty?
25%
How much of the rural population is in poverty and dependant on agriculture?
50%
What is the population of the Philippines?
101 million
Increasing at 1.72% per year
What sort of plate boundaries does the Philippines lie on?
- 2 major converging plates
- another conservative margin in middle
- E + W coast face Pacific Ocean
- can receive waves from other places on Pacific Ring of Fire
What is it like in Philippino cities?
- Corruption is rife
- Rapid urbanisation has created unplanned settlements
- High population density
When did Mt Pinatubo erupt?
- June 1991
- 2nd largest eruption of 20th century
- coincided with Typhoon Yunya
How strong was Typhoon Yunya?
- winds up to 120mph
How much damage did Mt. Pinatubo cause?
- 73 000 homes damaged
- $211 million economic impact
How violent was the eruption of Mt Pinatubo?
- significant amount of aerosols and dust projected into the atmosphere
- created a sulphuric acid haze
- blocked sunlight by 10%, reducing global temperatures by 0.4ºC
What affect did Typhoon Yunya have?
- rainfall mixed with volcanic ash to create lahars
- moisture from typhoon mixed with ash clouds to create thick heavy blanket of ash
- buried homes under it
How many people died due to the eruption of Mt Pinatubo?
- 847
When did Mt Mayon erupt?
- throughout 2006
- relatively quiet eruptions
- coincided with Typhoon Durian in November
How much rainfall did Typhoon Durian bring?
- 457mm in Albay province
- enough for widespread flooding in Legazpi City
- main regional port
What affect did Typhoon Durian have on the overall event?
- rainfall mixed with ash deposits and debris
- created mudflows and lahars
- buried farms and villages
How many people died due to the eruption of Mt Mayon?
- 1 250 people
How frequently does Mt Mayon erupt?
- 50 eruptions in past 500 years
How is Mt Mayon important to the local economy?
- perfect cone shape is a tourist attraction
- major source of local income
