Historical tsunamis · Jul 16, 2023, 6:48 AM UTC
2023 Sand Point, Ak tsunami
United States
The tsunami of Jul 16, 2023, 6:48 AM UTC originated near Sand Point, Ak (United States).
Key facts
- Date
- Jul 16, 2023, 6:48 AM UTC
- Cause
- Earthquake
- Magnitude
- M7.2
- Depth
- 32 km
- Maximum documented water height
- 0.15 m
- Deaths
- 1
- Observation records
- 2
- Countries affected
- 1
It was triggered by a magnitude 7.2 earthquake at a depth of 32 km.
The highest documented water height was 0.15 m (King Cove, Ak, United States).
2 observation sites in 1 countries are recorded.
The database records 1 deaths.
Map of observation sites
2Each 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 |
|---|---|---|---|---|
| United States | 2 | 0.15 m King Cove, Ak | — | — |
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 |
|---|---|---|---|
| King Cove, Ak · Ak | 0.15 m | 121 km | United States |
| Sand Point, Ak · Ak | 0.15 m | 99 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.