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Lisbon earthquake kills more than 50,000 in Portugal

The 1755 Lisbon earthquake, also known as the Great Lisbon earthquake, hit the Iberian Peninsula and Northwest Africa on the morning of Saturday, 1 November, Feast of All Saints, at around 09:40...

The 1755 Lisbon earthquake, also known as the Great Lisbon earthquake, hit the Iberian Peninsula and Northwest Africa on the morning of Saturday, 1 November, Feast of All Saints, at around 09:40 local time. In combination with subsequent fires and a tsunami, the earthquake almost completely destroyed Lisbon and adjoining areas. Seismologists estimate the Lisbon earthquake had a magnitude of 7.7 or greater on the moment magnitude scale, with its epicenter in the Atlantic Ocean about 200 km (110 nmi; 120 mi) west-southwest of Cape St. Vincent, a cape in the Algarve region, and about 290 km (160 nmi; 180 mi) southwest of Lisbon.

Chronologically, it was the third known large-scale earthquake to hit the city (following those of 1356 and 1531).

Historical Significance

The 1755 Lisbon earthquake, also known as the Great Lisbon earthquake, hit the Iberian Peninsula and Northwest Africa on the morning of Saturday, 1 November, Feast of All Saints, at around 09:40 local time.

Events Before

  1. British PM William Pitt the Elder (46) weds Lady Hester Grenville (34) in Argyle Street, London

    British PM William Pitt the Elder (46) weds Lady Hester Grenville (34) in Argyle Street, London

  2. Columbia University is founded as King's College in New York City

    Columbia College is the oldest undergraduate college of Columbia University, a private Ivy League research university in New York City.

  3. Riot at burial of Orangist leader Daniel Raap in Amsterdam

    Riot at burial of Orangist leader Daniel Raap in Amsterdam

  4. British writer Horace Walpole, in a letter to Horace Mann, coins the word serendipity

    Horatio Walpole, 4th Earl of Orford (24 September 1717 – 2 March 1797), better known as Horace Walpole, was an English Whig politician, writer, historian and antiquarian. He had Strawberry Hill House...

  5. Marquis of Ensenada becomes premier of Spain

    Marquis of Ensenada becomes premier of Spain

Events After

  1. Prime Minister of Great Britain Frederick North (24) weds heiress Anne Speke

    Prime Minister of Great Britain Frederick North (24) weds heiress Anne Speke

  2. Frontiersman Daniel Boone (21) weds Rebecca Bryan (17) in Yadkin River, North Carolina

    Frontiersman Daniel Boone (21) weds Rebecca Bryan (17) in Yadkin River, North Carolina

  3. Britain and Prussia sign the Treaty of Westminster, agreeing to respect each other's European territories

    Britain and Prussia sign the Treaty of Westminster, agreeing to respect each other's European territories

  4. St. Patrick's Day is first celebrated in NYC at the Crown & Thistle Tavern

    St. Patrick's Day is first celebrated in NYC at the Crown & Thistle Tavern

  5. Governor Glen of South Carolina protests against 900 Acadia indians

    Governor Glen of South Carolina protests against 900 Acadia indians

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Frequently Asked Questions

What happened on November 1, 1755?
The 1755 Lisbon earthquake, also known as the Great Lisbon earthquake, hit the Iberian Peninsula and Northwest Africa on the morning of Saturday, 1 November, Feast of All Saints, at around 09:40 local time. In combination with subsequent fires and a tsunami, the earthquake almost completely destroyed Lisbon and adjoining areas. Seismologists estimate the Lisbon earthquake had a magnitude of 7.7 or greater on the moment magnitude scale, with its epicenter in the Atlantic Ocean about 200 km (110 nmi; 120 mi) west-southwest of Cape St.
Why is Lisbon earthquake kills more than 50,000 in Portugal significant?
The 1755 Lisbon earthquake, also known as the Great Lisbon earthquake, hit the Iberian Peninsula and Northwest Africa on the morning of Saturday, 1 November, Feast of All Saints, at around 09:40 local time.

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