Earth & climate

2010 Chile earthquake

27 February 2010

The 2010 Chile earthquake was a powerful earthquake that struck off the coast of the Maule region in central Chile, among the strongest ever recorded. It was caused by the sliding of the Nazca plate beneath the South American plate, the same subduction zone responsible for many of the country's earthquakes. The shaking caused serious damage in Concepcion and other cities and killed hundreds of people. A tsunami followed, and it hit coastal towns such as Constitucion and the Juan Fernandez Islands especially hard, where warnings were late or confused. The disaster prompted reforms in the national emergency system, and the quake measurably shifted the Earth's axis and shortened the length of the day by a tiny amount.

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