DISASTER READINESS AND RISK REDUCTION REVIEWER.docx

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13 Terms

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Disaster

A sudden, catastrophic event that causes significant disruption, damage, and loss of life, occurring when a hazard interacts with exposure and vulnerability.

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Hazard

A natural or human-made event that has the potential to cause harm, such as typhoons, earthquakes, or chemical spills.

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Exposure

The people, property, and environment that are at risk of being affected by a hazard.

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Vulnerability

The inability of a community or system to withstand or cope with a hazard.

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Disaster Risk

The potential loss of lives, injuries, property, and economic damage due to a hazard.

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Risk Assessment

A process to identify and analyze the potential impact of hazards on people, infrastructure, and the environment.

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Factors Determining the Magnitude of a Disaster

Severity of the hazard, level of exposure, and degree of vulnerability.

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Disaster Risk Formula

Disaster Risk = Hazard × Exposure × Vulnerability.

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Physical Impact of Disasters

Includes deaths, injuries, and destruction of buildings and homes.

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Social Exposure

Population density, health systems, and migration trends that can increase risk.

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Economic Vulnerability

Lack of resources in poor households for disaster preparedness, leading to significant impacts during disasters.

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Measuring Vulnerability

Expressed as a value between 0 and 1, representing the degree of vulnerability of a community or structure.

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Essential Facilities at Risk

Includes hospitals, schools, and government offices that are critical for community safety and management during disasters.