NOAA / NCEI
Tsunamis in Antarctica
3 confirmed tsunamis originating in Antarctica. Highest documented wave: 0.17 m (Drake Passage, 2025).
Map of observation sites
Tsunami source locations; colour and size show the highest documented water height. Click to open the event.
All documented events
3| Date | Location / station | Magnitude | Maximum documented water height | Deaths | Observation records |
|---|---|---|---|---|---|
| Aug 22, 2025, 2:16 AM UTC | Drake Passage | 7.5 | 0.17 m | — | 5 |
| Nov 17, 2013, 9:04 AM UTC | Scotia Sea | 7.7 | 0.15 m | — | 2 |
| Aug 4, 2003, 4:37 AM UTC | Scotia Sea | 7.6 | — | — | 1 |
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.