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Seismicity - Coggle Diagram
Seismicity
Mitigation & preparation
Land-use zoning
Historical records of hazards can be used to draw hazard maps
Insurance
Recurrence intervals can indicate when the next slip is coming
Rolling weights
Shutters over windows
Reinforced buildings
Disaster kits
Practice drills
Response & recovery
Search & rescue teams
Removal of dead bodies
Rebuilding homes, schools, hospitals, infrastructure
Restoring communication
Seismic waves
Body waves
P waves
The fastest body wave
Compressional waves
Material moves in the same direction as wave movement
Travel through solids and liquids
S waves
Slower than P waves
Travel in sideways motion
Material moves perpendicular to wave movement
Ground moves horizontally
Travel through only solids
Cause a lot of damage
Surface waves
Love waves
Ground moves side to side
Travel through / along ground's surface
Slower than body waves
Does a lot of damage to buildings
Rayleigh waves
Ground moves up and down (rolling motion)
Slower than body waves
Travel through / along ground's surface
Does a lot of damage to buildings
Impacts
Primary
Buildings collapse
Injury and deaths
Infrastructure damaged
Electricity cut off
Underground pipes broken
Secondary
Tsunamis
Landslides
Leaking gas can cause fires
Disease due to lack of sanitation or clean water
Homelessness
Market crash
Unemployment