17 Questions
What is the estimated percentage of the world's volcanoes located in the Philippines?
75%
What is the magnitude of the 'BIG ONE' earthquake that is anticipated to occur along the West Valley Fault in Metro Manila?
7.2 magnitude
How many times has the West Valley Fault generated strong earthquakes within the last 1,400 years, according to the text?
4 times
What was the magnitude of the Moro Gulf Earthquake that occurred in the Philippines in 1976?
7.9 magnitude
Which government agency did the Philippines request assistance from to study the potential impact of a major earthquake in Metro Manila?
Japan International Cooperation Agency (JICA)
What was the estimated number of casualties from the Moro Gulf Earthquake of 1976 in the Philippines?
Almost 3,000 casualties
What does the disaster formula D=HxV represent?
The relationship between hazard and vulnerability in disaster risk
In the context of the text, what does 'Capacity' refer to?
The resources available for disaster recovery
What does 'Risk ® = Hazard + Vulnerability / Capacity' formula aim to determine?
If a community is at high or low risk based on resources available
Which factor contributes to a community being classified as high risk according to the text?
High hazard and low vulnerability with low capacity
What is the main focus of 'recovery measures' mentioned in the text?
Restoring the infrastructure and services after a disaster
How does the formula D=HxV differ from the Risk formula mentioned in the text?
D=HxV considers hazard and vulnerability while Risk formula evaluates disaster risk levels
Which of the following is NOT a potential consequence of natural disasters on healthcare infrastructure?
There is an increase in the number of healthcare workers
Which of the following is a potential long-term impact of natural disasters?
Increased alcohol and drug abuse
Which of the following is a characteristic of the Philippines' geographic location?
It is situated in the Pacific Ring of Fire
What is the purpose of the "cash for work" program mentioned in the text?
To encourage community members to rebuild their own homes
Which of the following is a key impact of earthquakes on healthcare infrastructure, according to the passage?
Damage to hospitals and other healthcare facilities
Study Notes
Earthquake Scenario in Metro Manila
- A strong earthquake at Manila Bay could generate a 2-meter high tsunami affecting the western coastline of Metro Manila.
- The effect would be characterized by strong ground shaking (intensity 8&9) along most parts of Metro Manila, liquefaction, and landslides causing severe damage to buildings, thousands of deaths and injuries, disruption of lifelines and services, and widespread fires.
Disaster Formula
- D = H x V, where D is the disaster, H is the hazard, and V is the vulnerability.
- Hazard refers to biological, man-made, or natural hazards, such as earthquakes.
- Vulnerability refers to infrastructure, people, and other factors that can increase the risk of disaster.
Risk Formula
- Risk = Hazard + Vulnerability / Capacity.
- High risk occurs when there is high hazard and vulnerability, and low capacity or resources.
Philippines' Vulnerability to Earthquakes
- The Philippines is situated in the Pacific Ring of Fire, making it prone to earthquakes.
- The country is home to approximately 75% of the planet's volcanoes, increasing its vulnerability to earthquakes.
Notable Earthquakes in the Philippines
- Moro Gulf Earthquake (1976): 7.9 magnitude, 3,000 casualties, and 40,000 people left homeless.
- The West Valley Fault is expected to generate a 7.2 magnitude earthquake, known as the "BIG ONE".
- The fault has moved at least four times, generating strong earthquakes within the last 1,400 years.
Impact of Disasters
- Damage to healthcare infrastructure can lead to a public health crisis, including power outages, physical damage, and loss of medicines and equipment.
- Disasters can also drive an increase in alcohol and drug abuse in the long term.
Socio-Temporal Stages of Disaster
- 0: Pre-disaster, the state of social system preceding the point of impact.
- 1: Warning, including precautionary activity and consultation with social networks.
- 2: Social and Physical Impact, recognition shifts from individual to community affect and involvement.
- 3: Emergency, measures taken to prepare for and reduce the effects of disaster.
- 4: Isolation, separating sick people with contagious diseases from others.
- 5: Rescue, spontaneous, local, unorganized extrication and first aid.
- 6: Remedy, organized and professional relief, including medical care, preventive measures, and security.
- 7: Recovery, individual rehabilitation and readjustment, community restoration, and preventive measures against recurrence.
Cash for Work Program
- Family members who receive donations should build their own houses, and the government will pay them.
This quiz explores the impact of earthquakes, specifically focusing on notable seismic events in the Philippines such as the Moro Gulf Earthquake in 1976. Learn about the causes, effects, and historical significance of earthquakes in this region.
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