World Map › Major Tsunamis Since 1900 › 2023
Historic Tsunami
2023 United States of America Tsunami
16 July 2023 · Sand Point, Ak · United States of America
On 16 July 2023 at 06:48 UTC, a tsunami formed near Sand Point, Ak, United States of America. It was caused by a magnitude 7.2 earthquake. Waves reached up to 0.2 m high. It was observed at 3 locations. It killed at least 1 person.
- Date
- 16 July 2023
- Time
- 06:48 UTC
- Cause
- Earthquake
- Earthquake Magnitude
- 7.2
- Highest Wave
- 0.2 m
- Observation Sites
- 3
- Furthest Reach
- 121 km
- Deaths
- 1
- Source Country
- United States of America
- Triggering Earthquake
- 2023 Alaska Peninsula Earthquake
Highest Waves
- 0.2 mKing Cove, Ak · United States of America · 121 km
- 0.2 mSand Point, Ak · United States of America · 99 km
Other Major Tsunamis in the Region
- 1946Unimak Island, Ak, United States of America · 42.0 m168 deaths
Sources: NOAA National Centers for Environmental Information, Global Historical Tsunami Database (doi:10.7289/V5PN93H7) · Natural Earth