March 24, 1721 Tsunami: Balearic Islands, Spain
A tsunami caused by an earthquake began at Balearic Islands, Spain on March 24, 1721. Its effects were recorded at 1 place.
Where the waves reached
The source (white) and every runup with a place, colored by the water height recorded there. A ring is a runup NCEI marks doubtful.
- 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
- March 24, 1721
- Source
- Balearic Islands, Spain
- Cause
- Earthquake
- Runups recorded
- 1
- Waters
- Ocean
- How certain
- Very doubtful tsunami
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.
Alboran Sea. An earthquake occurred. Many houses crumbled in Selva (the north-central part of Mallorca Island). The earthquake was accompanied by an underground rumble and by floods. Tsunami? (reference #2130).
Every runup
Nearest the source first. Heights are above sea level at the time; a tide gauge reads half the wave’s full height.
| Where | Country | Km from source | Water height, m | Inland, m | Measured by | First wave, UTC | Deaths |
|---|---|---|---|---|---|---|---|
| Balearic Islands | Spain | Eyewitness observation of water height |
More
Every tsunami in 1721The 1700sTsunamis of SpainThis 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 3152.