September 15, 1751 Tsunami: Port-Au-Prince, Haiti
A tsunami caused by a magnitude 7.3 earthquake began at Port-Au-Prince, Haiti on September 15, 1751 at 19:00 UTC.
Where the waves reached
The source of the tsunami. No runup with a place is recorded for it.
- Under 1 m
- 1 to 3 m
- 3 to 10 m
- 10 to 30 m
- 30 m and more
- Height not recorded
The tsunami
- Date
- September 15, 1751, 19:00 UTC
- Source
- Port-Au-Prince, Haiti
- Cause
- Earthquake
- Earthquake
- Magnitude 7.3
- Runups recorded
- 0
- Waters
- Ocean
- How certain
- Erroneous entry
- Source location
- 18.500° N, 72.300° W
The toll
The record gives no deaths, injuries or damage for this tsunami.
What the record says
NCEI’s account, from the sources it cites.
There is uncertainty as to whether this 15 September event is a separate event or another account of the 21 November event. There was possible subsidence off the coast in Haiti. No tsunami was reported.
More
Every tsunami in 1751The 1700sTsunamis of HaitiThe earthquakeThis day in weather historyAlerts in force
Sources
Tsunami events and runups 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 tsunami event 2388.