ON 1ST NOVEMBER 1155 there was a terrible earthquake in Lisbon, Portugal after the earthquake, there was a tsunami and many fires started in the city. Buildings fell, burned and into the sea. In fact, the and its effects most of the city. But what did the people of Lisbon do? They rebuilt their city. They made wide streets, big squares and special buildings that could resist earthquakes. Also, thanks to the Portuguese prime minister's investigations, modern seismology* was born.