Historical tsunamis · Jul 16, 2025, 8:37 PM UTC
2025 Sand Point, Ak tsunami
United States
The tsunami of Jul 16, 2025, 8:37 PM UTC originated near Sand Point, Ak (United States).
Key facts
- Date
- Jul 16, 2025, 8:37 PM UTC
- Cause
- Earthquake
- Magnitude
- M7.3
- Depth
- 20 km
- Maximum documented water height
- 0.10 m
- Observation records
- 2
- Countries affected
- 1
It was triggered by a magnitude 7.3 earthquake at a depth of 20 km.
The highest documented water height was 0.10 m (Sand Point, Ak, United States).
2 observation sites in 1 countries are recorded.
Map of observation sites
2Each dot is a documented observation site; colour and size show the observed water height. The triangle marks the source.
Tsunami arrival times
Documented arrival times from the NOAA/NCEI database, showing the earliest recorded location per country. Coverage is incomplete: a country without an entry was not necessarily spared.
- 0:00 hEarthquake (origin) · Jul 16, 2025, 8:37 PM UTC
- 0:56 hUnited States · Sand Point, Ak · 0.10 m
1 places with a documented arrival time
Observations by country
| Country | Observation records | Maximum documented water height | Deaths | Earliest arrival |
|---|---|---|---|---|
| United States | 2 | 0.10 m Sand Point, Ak | — | 0:56 h |
Highest documented water heights
2 / 2Individual 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 |
|---|---|---|---|
| Sand Point, Ak · Ak | 0.10 m | 88 km | United States |
| King Cove, Ak · Ak | 0.08 m | 132 km | United States |
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.