Significant earthquakes of 1773

May 6, 1773 Earthquake: Tangiers, Morocco

May 6, 1773

An earthquake struck Tangiers, Morocco on May 6, 1773. It caused a tsunami.

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
May 6, 1773
Place
Tangiers, Morocco
Epicenter
35.800° N, 5.830° W
Country
Morocco

The toll

Damage
Moderate (about $1 to $5 million)

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.

(Location is approximate.) Event triggered a tsunami in Algiers, Tangiers, and north coast of Africa. Reference #1879: "About twenty shocks. The tremulous motion between the shocks lasted from six to seven seconds to half a minute."

Other significant earthquakes nearby

Within 200 km, the deadliest first.

More

Significant earthquakes of 1773The 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 1414.