30 mHighest wave
Tsunami of 21 July 1788: off the United States
A tsunami started off the coast of the United States on 21 July 1788; cause: earthquake. The highest wave reached 30 m. It is recorded at 4 places.
21 July 1788off the United States
earthquakeCause · M8.0
–Deaths
4Places the wave reached · definite
Where it started and where the wave arrived
< 0,5 m0,5–2 m2–5 m5–10 m≥ 10 m
Places the wave reached
| Town | Countries reached | Water height | From the source | Deaths |
|---|---|---|---|---|
| Pauloff Harbor · 3 km | United States | 30 m | 673 km | |
| Squaw Harbor · 8 km | United States | 30 m | 515 km | |
| Old Harbor · 13 km | United States | 10 m | 33 km | |
| – | United States | 5 m | 550 km |