This was one of the eight most intense earthquakes in human history. Chile is continually exposed to many kinds of natural disasters such as earthquakes, landslides, flooding rains, volcanic eruptions, among others, and these events affect a lot of people (especially children).
Tsunamis are seismic sea waves that are generated by undersea movements. The wavelength of a typical tsunami is 200 km or 125 mi long and they behave as shallow water waves. Causes of tsunamis include: earthquakes, landslides, volcanoes, the atmosphere, and other unknown causes.