The report details the geological/ geotechnical background of the earthquake, the effects within and outside Mexico City and provides conclusions and recommendations.
The report desrcibes the geological sequence of events which led to the earthquake, including ground motion measurements and aftershocks.
The report describes the effects within Mexico City including:
- Soil conditions
- Damage distribution
- Effects on foundations, building superstructures, industrial structures and soil structures
- Fire
Outside Mexico City, the report describes the effects within Lazaro Cardenas (structures, including industrial facilities and dams) and Ciudad Guzman (soil and geology, damage to building strucutures and lifelines).
The report reviews local building regulations and provides an overview of structural collapse modes.