Narrower Terms (19)

• Archaeology and natural disasters
• Asteroids--Collisions with Earth
• Bores (Tidal phenomena)
• Buildings--Natural disaster effects
• Comets--Collisions with Earth
• ▶ Earth movements
• ▶ Earthquakes
• Electric power systems--Natural disaster effects
• ▶ Environmental degradation
• ▶ Floods
• Forest fires
• National parks and reserves--Natural disaster effects
• Nuclear power plants--Natural disaster effects
• Railroads--Natural disaster effects
• Sewage disposal plants--Natural disaster effects
• ▶ Storms
• Traffic signs and signals--Natural disaster effects
• ▶ Tsunamis
• ▶ Volcanic eruptions