On 1 November 1755, the city was destroyed by another devastating earthquake, which killed an estimated 30,000 to 40,000 Lisbon residents of a population estimated at between 200,000 and 275,000, and destroyed 85 percent of the city's structures. Among several important buildings of the city, the Ribeira Palace and the Hospital Real de Todos os Santos were lost. In coastal areas, such as Peniche, situated about north of Lisbon, many people were killed by the following tsunami.