February 2025 Tsunami: Dalk Glacier, Antarctica
A tsunami caused by a landslide began at Dalk Glacier, Antarctica in February 2025. The water rose as high as 1 meters. 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
- February 2025
- Source
- Dalk Glacier, Antarctica
- Cause
- Landslide
- Maximum water height
- 1 m (3.3 ft)
- Runups recorded
- 1
- Waters
- Ocean
- How certain
- Probable tsunami
- Source location
- 69.417° S, 76.450° E
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.
Note: exact date uncertain
Chinese researchers on the 41st Chinese Antarctic expedition mission have detected a drastic iceberg tsunami near the Zhongshan Station, with waves exceeding one meter in height. According to researchers at the Chinese Antarctic Center of Surveying and Mapping of Wuhan University in central China's Hubei Province, the abnormal sea waves of the iceberg tsunami were caused by glacial calving and iceberg overturning.
This year, the tidal monitoring systems at the Zhongshan Station have recorded increasingly frequent seawater oscillations -- eight days in January and near-daily occurrences in February, indicating fast ice melt near the station. (reference #13921)
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 |
|---|---|---|---|---|---|---|---|
| Zhongshan Station (China) | Antarctica | 6 | 1 | Tide gauge (half the maximum wave height) |
More
Every tsunami in 2025The 2000sTsunamis of AntarcticaAlerts 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 5971.