EEFIT Mission report: Kocaeli, Turkey
Date published

1 February 2003


EEFIT Mission report: Kocaeli, Turkey

Date published

1 February 2003



This EEFIT Field Report details the events of the 7.4 Mw earthquake which struck Kocaeli on 17 August 1999.

This report provides information concerning:

  • The earthquake effected region
    • Seismic hazard of Turkey and the Marmara Sea region
    • Socio-economic profile of the Marmara Sea region
    • Socio-economic effects of the Kocaeli earthquake and comparison with past earthquakes
  • Geophysical aspects and seismology
    • Basic seismological data
    • Tectonic setting of Turkey
    • Historic earthquakes and surface slip on the Northern Anatolian fault
    • Teleseismic observation of the 17 August 1999 earthquake
    • Surface slip during the 17 August 1999 earthquake
    • Secondary effects
  • Strong-motion and macro-seismic intensity
    • Strong ground motion stations
    • Strong motion records
    • Measured ground motions
    • Response spectra
    • Measured ground motion
    • Response spectra
    • Factors influencing the observed strong ground motion
    • Macrosiesmic intensity distribution
  • Geological and geotechnical aspects
    • Local ground conditions
    • Fault rupture
    • Site response
    • Liquefaction
    • Earthquake-induced slope instability
    • Earthquake effects on retaining structures
    • Earthquake effects on earth embankments
    • Gas venting
  • Performance of buildings
    • Building codes requirements
    • Performance of residential buildings
    • Typical collapse modes in concrete buildings
    • Geographical and statistical analysis of damage
    • Damage survey in Izmit
  • Performance of industrial and commercial sites
    • Damage survey of industrial estate
    • Petrochemical plants
    • Car plants
    • Performance of commercial buildings
  • Infrastructure and marine facilities
    • Performance of terrestrial infrastructure
    • Performance of waterfront structures

Additional information



Report Disaster mitigation, management & recovery Resilience Structural failure Seismic & Vibration EEFIT

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