Significant earthquakes of 1531

January 26, 1531 Earthquake: Lisbon, Portugal

January 26, 1531 · M7.7 · 30,000 deaths · 1,500 houses destroyed

A magnitude 7.7 earthquake struck Lisbon, Portugal on January 26, 1531. It killed 30,000 people.

Map

Where it struck, with the other significant earthquakes within 200 km. Circles are sized and colored by magnitude; select one for its page.

The earthquake

Date
January 26, 1531
Place
Lisbon, Portugal
Magnitude
7.7 (Ms)
Intensity
10 on the Modified Mercalli scale
Epicenter
38.700° N, 9.100° W
Country
Portugal

The toll

Deaths
30,000
Damage
Severe (about $5 to $25 million)
Houses destroyed
1,500

Where the literature gives no number, NCEI records a description on a scale of 1 to 4, printed here in its words. Damage is in millions of US dollars of the year of the event, not adjusted for inflation.

What the record says

NCEI’s account, from the sources it cites.

1531, January 26. At Lisbon and in the rest of Portugal, in Spain and on the opposite coast of Africa. In Lisbon, the shocks were extremely violent (int. 3), 1500 houses and all the churches were thrown down. The sea was greatly agitated and several vessels were wrecked. The waters of the Tagus were driven up its banks by the rush of the waves. (reference #516)

1531, January 26. Spain and Portugal, Lisbon, 1,500 houses destroyed; the remainder of Portugal, Spain, the opposite coast of Spain, the Canton du vaud in Switzerland and Flanders; the sea was greatly agitated, intensity III which corresponds to an earthquake which destroyed towns and devastated districts. (reference #1055)

1531, January 26, 1531. Portugal, Lisbon. Locally felt shock. The sea was greatly agitated, and swallowed up several vessels. The water of the Tagus River (38 deg 40'N., 09 deg 24'W.) was driven up on the banks by the rushing in of the waves. (reference #41)

1531, January 26. Lisbon, Portugal earthquake, 30,000 deaths. (reference #1051)

1531, January 25. Lisbon, intensity 10.5. Great disaster, many victims, 1500 houses destroyed, tidal wave. The jolts were also violently felt in Spain and Africa. (reference #1093)

1531, February 26, [incorrect date should probably be January 26]. At Lisbon; 1,500 houses and 30,000 persons buried in the ruins; several neighboring towns engulfed. (reference #1073)

1531, January 26. On the 26 January 1531, between 4 and 5 a.m., a strong shock was felt in Lisbon and along the Tagus Valley. The shock heavily destroyed Lisbon downtown and neighbouring areas, causing approximately 1000 casualties (Vogt, 1985; Justo and Salwa, 1998) [...]The maximum reported earthquake intensity is X (MSK) making it one of the most disastrous earthquakes in the history of Portugal. (reference #4649)

Other significant earthquakes nearby

Within 200 km, the deadliest first.

More

Significant earthquakes of 1531The 1500sRecent earthquakes near hereThis day in weather history

Sources

Significant earthquakes from NOAA’s National Centers for Environmental Information, Global Historical Hazard Database, cited as NCEI/WDS, doi:10.7289/V5PN93H7. Public domain. Read 2026-09-24. NCEI earthquake 704.