Multi-hazardous environment - Philippines

Question 1

what is a multi-hazardous environment

Answer 1

where two or more natural disasters produce complex disasters

Question 2

what hazards does the Philippines face?

Answer 2

major tropical storm tracks
tectonically active
geologically young with unstable mountains - landslides
El Ninos cause intense droughts

Question 3

Life expectancy of a Pilipino

Answer 3

68.3years

Question 4

population of the Philippines

Answer 4

114mil people

Question 5

land mass of the Philippines

Answer 5

over 7000islands

Question 6

economic status of the Philippines

Answer 6

lower MIC
NEE into the service sector

Question 7

Physical environment of the Philippines

Answer 7

Philippian and Eurasian plate
volcanic islands with o-o subduction
along the western rim of the Pacific ring of fire

Question 8

distribution of hazards

Answer 8

all parts of the country has risk to some extent of seismic activity
Tropical storm intensity decreases south down the islands
the majority of active volcanoes are in the centre of the islands

Question 9

Earthquake averages:

Answer 9

between 2000-20013, there were at least 17 with magnitudes of 5.6 or higher causing numerous deaths and lots of damage to infrastructure

Question 10

1976 earthquake?

Answer 10

earthquake of Mindano. mag 7.9 causing tsunami which killed 8,000

Question 11

1990 earthquake?
place, magnitude, impact

Answer 11

earthquake in Luzon. mag 7.8 killing 1,600 with widespread liquefaction

Question 12

how many active volcanoes are there?

Answer 12

23 active with history of violent eruptions

Question 13

Volcano Mayon facts

Answer 13

the most active
erupted 50 times within the last 400yrs
most destructive eruption 1814
most recent eruption 2023
with significant rainfall, mot known for its lahars

Question 14

Volcano Pinatubo facts

Answer 14

second largest volcano
most destructive eruption 1991
causing a global cooldown of .5degrees
followed by Typhoon Yunga
final death toll of 850

Question 15

1991 Pinatubo eruption: impacts

Answer 15

300 killed from collapsing roofs 100 from lahars
650,000 lost their homes
$700mil worth of damage
1.2mil displaced
58,000 evacuated

Question 16

1991 Pinatubo eruption: how were there so few deaths?

Answer 16

a few months prior, tiltmeters and seismometers had been installed
the population were informed of the threat with daily updates
a planned evacuation happened in stages
post eruption a new hazard map was introduced

Question 17

howoften do tropical storms happen….

Answer 17

approximately 20 a year