The main shock occurred on 26 Jan, early in the morning; there had been two precursor shocks earlier that month. The offshore 1755 Lisbon earthquake was the focus of detailed coeval inquiries and has a rich macroseismic database both in Portugal and Spain. 26th January » Lisbon, Portugal is hit by an 1531 Lisbon earthquake called earthquake—thousands die. In history, Lisbon was destroyed by earthquake and tsunami in 1531 and 1755, respectively. On 26 January 1531, a strong‐magnitude earthquake heavily impacted Lisbon downtown. Lisbon earthquake – 1531 Very violent, with a tsunami, 30.000 mortal victims. The most vulnerable areas are the Lisbon urban area and Algarve south. 11th October » Huldrych Zwingli is killed in battle with the Roman Catholic cantons of Switzerland. The earthquake, and in particular the claimed tsunami, were not so far the subject of a quantitative study. Historical Events for the Year 1531. For centuries leading up to the disaster, Portugal had grown fat on the bounty of a vast maritime empire that sprawled from Brazil to India—yet seafaring was generally reviled in Portuguese society and very little of the colonial spoils were invested back into the country or its citizenry. Today the seismologists estimate that this earthquake … It occurred on Saturday, November 1st. According to coeval sources, between 1000 and 30,000 casualties were caused in Lisbon by this tremor. This range shows the great uncertainty regarding the real effects of this Event. Above picture 1755 Lisbon earthquake According to historical records, most of the earthquakes affecting Portugal (mainland) have epicentre SW of the Iberian Peninsula (Gorringe bank) or in the Lower Tagus Valley. Analyzing the real dimension of this earthquake is the goal of this research. This event is thought to be the one of the biggest in Lisbon history. The Lisbon earthquake, 1755 This is the most intense earthquake that has ever occurred in Portugal. The 1531 earthquake was the first known event in Portugal for which the damages were reported in a set of different localities (Moreira, 1984; Justo and Salwa, 1998). The Great Lisbon Earthquake is the epitome of Portugal’s paradoxical relationship with the sea. Nineteen days later, Lisbon suffered another earthquake which seems to have caused destruction parallel to that of 1755: more than one thousand five hundred houses were destroyed and many people were buried underneath the debris. Major earthquakes: occoured in 1531, 1755, 1909 and 1969. On the 7 January 1531, a violent earthquake shook Portugal. In this research, the 1531 earthquake is revisited. TSUNAMI FLOODING ALONG TAGUS ESTUARY (PORTUGAL), THE 1531 EVENT The city of Lisbon one of the main towns in Europe between the XVI and XVIII centuries was severely damaged by two strong earthquakes: 1531-01-26 and 1755-11-01 and the companion tsunamis. 11th February » Henry VIII of England is recognized as supreme head of the Church of England. A DEVASTATING tsunami could destroy parts of Spain and Portugal any time, experts have warned in a chilling new documentary. The 26 January 1531 earthquake heavily impacted Lisbon according to the coeval sources and archaeological remnants. In this study we present a re-evaluation of the data available for this event. The 26 January 1531 earthquake occurred between 4 … In 1531, the city was hit hard, when an earthquake along this fault struck the centre of Portugal, east-northeast of Lisbon, with an estimated magnitude of M7. 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