EEFIT Mission report: Port-au-Prince, Haiti

The report provides information concerning:

• Seismological and geological characteristics
  • Seismological aspects
  • Ground motion intensity
  • Geological aspects
  • Fault rupture
  • Coastal uplift
• Liquefaction
  • Imaging of the liquefaction damage at the port facility
  • Liquefaction-induced damage to north wharf
  • Liquefaction-induced settlement of the island
  • Liquefaction-induced lateral spreading behind silos
  • Liquefaction near Grand Goave
• Landslides
  • Earthquake-induced landslides
  • Sand quarries
• Validation of remote damage assessments
  • Overview of the remote damage assessment
  • Remote damage assessment methodology
  • Estimating the lower damage grades using pictometry
  • EEFIT Haiti ground validation data collection
  • Damage grades
  • Characteristics of the EEFIT survey locations
  • Location 1: central commercial district
  • Location 3: mixture of high-density residential area and shanty
  • Location 9: low-density residential
  • Location 17: high-density residential/commercial area
  • Location 22: low/high-density residential area
  • Location 33: high-density residential area/commercial area
  • Location 41: low-density residential area
  • Location 61: Delmas 33, low-density residential area
  • Damage summary
• Comparison of the remote damage assessments to the damage survey carried out on the ground

• Performance of structures
  • Masonry buildings
  • Engineered concrete buildings
  • Steel structures
  • Historic buildings
  • Bridges
  • Local quarry sand and its effect on concrete strength
• Damage distribution
  • Site amplification effects
  • Topographical effects
  • Geological boundaries
  • Landslides and soil failure
  • Building vulnerability
• Disaster management and preparedness

• Conclusions and recommendations
  • Damage assessments made from remote images
  • Variability of damage in Port-au-Prince
  • Liquefaction
  • Landslides
  • Structural performance
  • Lessons for future EEFIT missions