Historical tsunamis · Dec 25, 1969, 9:32 PM UTC
1969 Grand Bourg tsunami
Guadeloupe
The tsunami of Dec 25, 1969, 9:32 PM UTC originated near Grand Bourg (Guadeloupe).
Key facts
- Date
- Dec 25, 1969, 9:32 PM UTC
- Cause
- Earthquake
- Magnitude
- M7.2
- Depth
- 7 km
- Maximum documented water height
- 0.23 m
- Observation records
- 4
- Countries affected
- 4
It was triggered by a magnitude 7.2 earthquake at a depth of 7 km.
The highest documented water height was 0.23 m (Bridgetown, Barbados).
4 observation sites in 4 countries are recorded.
Map of observation sites
4Each dot is a documented observation site; colour and size show the observed water height. The triangle marks the source.
Observations by country
| Country | Observation records | Maximum documented water height | Deaths | Earliest arrival |
|---|---|---|---|---|
 Barbados | 1 | 0.23 m Bridgetown | — | — |
| Antigua and Barbuda | 1 | 0.15 m St. John | — | — |
 Dominica | 1 | 0.06 m Roseau | — | — |
| Guadeloupe (French Territory) | 1 | — | — | — |
Highest documented water heights
4 / 4Individual documented observations for this event. Heights come from different measurement types and sources; not every location has a measured height.
| Location / station | Observed height | Distance from source | Country |
|---|---|---|---|
| Bridgetown | 0.23 m | 299 km | Barbados |
| St. John · Antigua | 0.15 m | 272 km | Antigua and Barbuda |
| Roseau | 0.06 m | 190 km | Dominica |
| Terre-De-Haut · Iles Des Saintes | — | 202 km | Guadeloupe (French Territory) |
More tsunamis
Source: NOAA National Centers for Environmental Information (NCEI), Global Historical Tsunami Database. Confirmed events only. Deaths and damage are database estimates; older records are incomplete. Water heights come from different types of observation.