Earthquake happen all the time. There're up to 9000earthquakes around the world every day. At 4.53 on the evening of 12 january 2010, Haiti was struck by its biggest earthquake in 200 years. The earthquake lasted for only thirty-five seconds, but destroyed many building in Port-au-Prince and killed more than 230,00 people. The earthquake in Haiti measured 7 on the Richter scale. It is a frightening reminder of how much damage earthquakes can cause.