Coastal Hazards:Tsunami & Hurricanes

Coastal Hazards:Tsunami & Hurricanes

Week 7Week 7

Homework QuestionsHomework Questions

• Would you live near a coast? If so, where?

• What level of risk from tsunami & hurricanes is acceptable to you? (How would you know if the risk was assessed accurately?)

• What should be done by people and communities in coastal areas to prepare for the hazard and prevent catastrophe?

• Would you live near a coast? If so, where?

• What level of risk from tsunami & hurricanes is acceptable to you? (How would you know if the risk was assessed accurately?)

• What should be done by people and communities in coastal areas to prepare for the hazard and prevent catastrophe?

Questions to ConsiderQuestions to Consider

• What factors influence the impact of tsunami & hurricanes?

• How do coastal hazards vary from place to place? Why?

• The five fundamental concepts from Ch. 1

• What factors influence the impact of tsunami & hurricanes?

• How do coastal hazards vary from place to place? Why?

• The five fundamental concepts from Ch. 1

The CoastThe Coast

• Over 50% of the Earth’s people live within 50 miles of a coast!

• Typically susceptible to flooding• Impact of flooding– property damage– loss of life– saltwater intrusion

• Over 50% of the Earth’s people live within 50 miles of a coast!

• Typically susceptible to flooding• Impact of flooding– property damage– loss of life– saltwater intrusion

Tsunami Formation & Character

Tsunami Formation & Character

Tsunami Impact

Tsunami Impact

Tsunami ResponseTsunami Response

• Identify areas at risk

• Warning system– earthquake monitoring– tsunami detection

• Warning signs– earthquake– trough arrival

• Identify areas at risk

• Warning system– earthquake monitoring– tsunami detection

• Warning signs– earthquake– trough arrival

Tsunami HazardTsunami Hazard

Tsunami WarningTsunami Warning

HurricanesHurricanes

Hurricane ImpactHurricane Impact• High winds• Heavy rain• Storm

surge

• High winds• Heavy rain• Storm

surge

Hurricane Hazard

Hurricane Hazard

Hurricane ForecastHurricane Forecast

Coastal PreparationCoastal Preparation• Inundation simulation• Coastal zoning• Structural adjustments• Insurance• Barriers to flooding

• Inundation simulation• Coastal zoning• Structural adjustments• Insurance• Barriers to flooding