Historical tsunamis · May 2, 2025, 12:58 PM UTC
2025 Southern Chile tsunami
Chile
The tsunami of May 2, 2025, 12:58 PM UTC originated near Southern Chile (Chile).
Key facts
- Date
- May 2, 2025, 12:58 PM UTC
- Cause
- Earthquake
- Magnitude
- M7.4
- Depth
- 10 km
- Maximum documented water height
- 0.14 m
- Observation records
- 3
- Countries affected
- 2
It was triggered by a magnitude 7.4 earthquake at a depth of 10 km.
The highest documented water height was 0.14 m (Vernadsky Faraday, Argentine Isl, Antarctica).
3 observation sites in 2 countries are recorded.
Map of observation sites
3Each 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 |
|---|---|---|---|---|
 Antarctica | 2 | 0.14 m Vernadsky Faraday, Argentine Isl | — | — |
| Chile | 1 | 0.03 m Puerto Williams | — | — |
Highest documented water heights
3 / 3Individual 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 |
|---|---|---|---|
| Vernadsky Faraday, Argentine Isl | 0.14 m | 967 km | Antarctica |
| Prat Base (Chile) | 0.03 m | 796 km | Antarctica |
| Puerto Williams · Magallanes | 0.03 m | 209 km | Chile |
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.