Tragedy struck the heart of Christchurch, New Zealand, on Madras Street. On February 22, 2011, a magnitude 6.3 earthquake collapsed a six-story office building full of people, killing 115. This aftershock followed a magnitude 7.1 earthquake on September 4, 2010. Experts investigated an inadequate structural design and weakness in critical supporting columns.

A devastating magnitude 6.9 earthquake lasting 15 seconds wreaked havoc on the iconic San Francisco Bay Bridge and left drivers fearing for their lives in 1989. Experts used the latest science to investigate and uncover a weakened expansion joint caused by catastrophic shockwaves.