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Appendix C: Earthquake

Children’s Environmental Health Post-Disaster Assessment Toolkit 2.0
 

Children are more vulnerable during earthquakes due to their smaller size, limited mobility, and lack of understanding of danger, making it harder for them to escape or respond appropriately. 
 

Common Environmental Hazards

Environmental Health HazardHow an earthquake might affect children's health
Air: Indoor Air Quality 
 
High poverty (25%+), low income ($46K median)Earthquakes can cause structural damage to buildings, leading to mold growth, dust, and debris accumulation inside homes, which can worsen respiratory issues, particularly for children with asthma or other respiratory conditions.
Air: Outdoor Air Quality 
 
Earthquakes can shake loose dust, dirt, and debris from collapsed buildings, roads, or infrastructure, leading to poor outdoor air quality. Children may be more vulnerable to respiratory issues from airborne particulates in the aftermath.
Chemical: Asbestos 
 
Earthquake damage to older buildings, especially those built before asbestos regulations, could release asbestos fibers into the air. Children are more susceptible to long-term lung diseases due to exposure to asbestos dust from damaged infrastructure.
Chemical: Combustion Byproducts 
 
If the earthquake causes fires (from gas line ruptures, for example), combustion byproducts like carbon monoxide, particulate matter, and other toxic fumes could harm children, whose respiratory systems are more sensitive.
Chemical: Industrial Chemicals 
 
Earthquakes could damage chemical storage sites or industrial plants, resulting in hazardous chemical spills or leaks. Children living in or near affected areas would be at higher risk due to their increased exposure to contaminants.
Chemical: Lead & Heavy Metals 
 
Earthquake damage to industrial facilities, sewage treatment plants, or power plants could release heavy metals like lead or mercury into the environment. Children are more vulnerable to heavy metal poisoning due to their smaller bodies and higher absorption rates.
Chemical: Pesticides & Herbicides 
 
Earthquake-induced flooding or debris could spread pesticides or herbicides from nearby agricultural areas or households. Children playing outdoors are at greater risk of coming into contact with these chemicals.
Debris & Physical Hazards 
 
Collapsed buildings, fallen trees, and other debris pose a direct physical hazard to children, with a higher likelihood of injuries. Additionally, debris may be contaminated with hazardous materials like glass, metals, and chemicals, which children are more likely to handle or be exposed to.
Extreme Cold 
 
If an earthquake leads to power outages or damages heating systems, children may be at risk of hypothermia or frostbite, especially in colder climates or during the winter months when temperatures drop.
Extreme Heat 
 
In warmer climates or after power outages in the summer, the absence of cooling systems could lead to heat-related illnesses. Children are at higher risk for dehydration and heatstroke due to their lower ability to regulate body temperature compared to adults.
Pest Management 
 
Earthquakes may disrupt waste management and increase the presence of pests like rodents and insects. Children are particularly vulnerable to diseases transmitted by pests, especially in areas where buildings have been damaged, and food storage may be compromised.
Water: Damage & Mold 
 
Earthquake damage can result in water leaks or flooding, leading to mold growth inside homes or buildings. Mold exposure can cause respiratory issues and allergic reactions, particularly in children with developing immune systems.
Water: Drinking Water Safety 
 
Earthquake damage to water supply systems or sewage lines can lead to contamination of drinking water. Children are more susceptible to waterborne illnesses, which can lead to gastrointestinal infections or more severe health impacts.
Water: Sewage & Wastewater Contaminants 
 
Earthquakes can damage sewage systems or create flooding that leads to contamination from wastewater. Children are more likely to come into contact with these contaminants, increasing their risk for waterborne diseases. 
 

 

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