On 27 February 2010, an earthquake of magnitude 8.8 struck off the coast of central Chile. Centred 70 miles north-east of Chile's second-largest city, Concepcion, at a depth of 22 miles, the earthquake was the second largest ever recorded in Chile and the fifth largest recorded world-wide since 1900. Over 100 aftershocks of magnitude 5.0 or greater were recorded following the initial earthquake. The earthquake and subsequent tsunami, which struck Chile's coast roughly 20 minutes after the earthquake and moved 2,000 feet onto shore in some places, devastated parts of the country. This book analyses the response to the Chilean earthquake and the lessons learned.