User:Wikip rhyre/Complex Systems Failures draft

This is a table highlighting notable complex system failures. Failure are generally caused by a sequence of mis-steps.

Event	Location	Date	causes
Northeast Blackout of 2003	United States, Canada	2003	cascading failure due to neglected maintenance, failure of monitoring systems
Three Mile Island accident	United States, Pennsylvania	1979	mechanical failure, industrial design failure of status indicators
Canadian Ice Storm power outage	Canada, United States	1998	ice storm with unexpected accumulation
Nov 4 2006 European blackout	Germany, France, Italy, Belgium, Spain and Portugal	2006	inadequate risk assessment of planned outage, cascading failure afterward
Challenger Disaster	United States, Florida	1986	improper management risk assessment before launch, failure of O-ring
Columbia Disaster	United States, Texas	2003	improper damage assessment after launch, failure of thermal protection system

Structure failures

Event	Location	Date	causes
Kelly Barnes Dam	United States, Georgia	2003	unknown cause, no construction records existed
Hope Mills Dam	United States, North Carolina	2010	unknown cause, investigation underway