Significant earthquakes of 1719

March 6, 1719 Earthquake: Algarve, Spain, Portugal

March 6, 1719 · 3 deaths

An earthquake struck Algarve, Spain, Portugal on March 6, 1719 at 05:00 UTC. It killed 3 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
March 6, 1719
Time
05:00 UTC
Place
Algarve, Spain, Portugal
Intensity
7 on the Modified Mercalli scale
Tsunami
None recorded
Epicenter
37.130° N, 8.500° W
Country
Portugal

The toll

Deaths
3
Damage
Moderate (about $1 to $5 million)
Houses destroyed
Some (about 51 to 100)

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.

Other significant earthquakes nearby

Within 200 km, the deadliest first.

More

Significant earthquakes of 1719The 1700sRecent 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 10688.