18.3 mHighest wave
Tsunami of 1 November 1755: off Portugal
A tsunami started off the coast of Portugal on 1 November 1755; cause: earthquake. The highest wave reached 18.3 m. It is recorded at 123 places in 19 countries. 50,000 people died.
1 November 175509:30 UTC
earthquakeCause · M8.5
50,000Deaths
123Places 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 |
|---|---|---|---|---|
| Cádiz · 1 km | Spain | 18.3 m | 334 km | 1,000 |
| Ahl Chaïf · 8 km | Morocco | 15.2 m | 525 km | |
| Alto da Barra · 1 km | Portugal | 15.2 m | 196 km | 30,000 |
| Lqadiriya · 3 km | Morocco | 15.2 m | 397 km | |
| Cabo da Ribeira · 2 km | Portugal | 15.2 m | 791 km | |
| Ermida da Lapinha · 4 km | Portugal | 14.6 m | 1,525 km | |
| Ayamonte · 1 km | Spain | 13 m | 232 km | 400 |
| Tarifa · 1 km | Spain | 12 m | 408 km | |
| Lagos · 1 km | Portugal | 11 m | 119 km | |
| Conil de la Frontera · 0 km | Spain | 10 m | 359 km | 24 |
| Sagres · 5 km | Portugal | 9.1 m | 90 km | |
| Alvor · 0 km | Portugal | 9.1 m | 126 km | |
| Sagres · 0 km | Portugal | 9.1 m | 94 km | |
| El Puerto de Santa María · 1 km | Spain | 8 m | 339 km | 5 |
| – | Netherlands | 6.4 m | 5,606 km | |
| São Martinho · 1 km | Portugal | 5.6 m | 798 km | |
| Las Palmas de Gran Canaria · 3 km | Spain | 5 m | 1,108 km | |
| Chipiona · 1 km | Spain | 5 m | 320 km | 4 |
| – | St. Martin | 4.5 m | 5,566 km | |
| Ponta Delgada · 1 km | Portugal | 4 m | 1,389 km | |
| Acosta · 0 km | Dominican Republic | 3.7 m | 6,051 km | |
| Weirs · 1 km | Antigua and Barbuda | 3.7 m | 5,510 km | |
| Glanvillia · 1 km | Dominica | 3.7 m | 5,579 km | |
| Gibraleón · 1 km | Spain | 3.4 m | 272 km | |
| – | France | 3.2 m | 5,532 km | |
| Tredavoe · 1 km | United Kingdom | 3.1 m | 1,498 km | |
| Castallack · 0 km | United Kingdom | 3.1 m | 1,495 km | |
| Penzance · 1 km | United Kingdom | 2.4 m | 1,500 km | |
| Trelissick · 1 km | United Kingdom | 2.1 m | 1,508 km | |
| La Línea de la Concepción · 2 km | Spain | 2.1 m | 427 km | |
| Porto Judeu · 0 km | Portugal | 2 m | 1,516 km | |
| Ceuta · 0 km | Spain | 2 m | 437 km | |
| Algeciras · 0 km | Spain | 2 m | 419 km | |
| Puerto Real · 0 km | Spain | 2 m | 344 km | |
| Corcubión · 1 km | Spain | 2 m | 663 km | |
| Prussia Cove · 8 km | United Kingdom | 1.8 m | 1,494 km | |
| Bouldnor · 1 km | United Kingdom | 1.8 m | 1,666 km | |
| Kingston upon Hull · 1 km | United Kingdom | 1.8 m | 2,005 km | |
| – | France | 1.8 m | 5,609 km | |
| Kinsale · 1 km | Ireland | 1.7 m | 1,638 km | |
| Matriz · 1 km | Portugal | 1.5 m | 1,647 km | |
| Garrison · 1 km | Barbados | 1.5 m | 5,584 km | |
| – | France | 1.2 m | 5,591 km | |
| Lordelo do Ouro · 0 km | Portugal | 1 m | 475 km | |
| – | France | 0.9 m | 5,604 km | |
| Plympton Erle · 3 km | United Kingdom | 0.6 m | 1,561 km | |
| South Queensferry · 1 km | United Kingdom | 0.5 m | 2,168 km | |
| Port-au-Prince · 1 km | Haiti | – | 6,359 km | |
| Praia da Vitória · 1 km | Portugal | – | 1,512 km | 6 |
| Santa Rosa · 1 km | Cuba | – | 6,583 km | |
| Durham · 1 km | United Kingdom | – | 2,077 km | |
| Bonavista · 6 km | Canada | – | 3,696 km | |
| Bordeaux · 1 km | France | – | 1,177 km | |
| Le Havre · 1 km | France | – | 1,609 km | |
| Portsmouth · 4 km | United Kingdom | – | 1,686 km | |
| Myrtleville · 5 km | Ireland | – | 1,645 km | |
| Shell Haven · 2 km | United Kingdom | – | 1,811 km | |
| Sots Hole · 1 km | United Kingdom | – | 1,947 km | |
| Clint Green · 1 km | United Kingdom | – | 1,941 km | |
| Hunstanton | United Kingdom | – | 1,952 km |
Towns the wave reached
Cádiz18.3 m · 1 km
Cabo da Ribeira15.2 m · 2 km
Ahl Chaïf15.2 m · 8 km
Alto da Barra15.2 m · 1 km
Lqadiriya15.2 m · 3 km
Ermida da Lapinha14.6 m · 4 km
Ayamonte13 m · 1 km
Tarifa12 m · 1 km
Lagos11 m · 1 km
Conil de la Frontera10 m · 0 km
Sagres9.1 m · 5 km
Alvor9.1 m · 0 km
El Puerto de Santa María8 m · 1 km
São Martinho5.6 m · 1 km
Las Palmas de Gran Canaria5 m · 3 km
Chipiona5 m · 1 km
Ponta Delgada4 m · 1 km
Acosta3.7 m · 0 km
Weirs3.7 m · 1 km
Glanvillia3.7 m · 1 km
Gibraleón3.4 m · 1 km
Tredavoe3.1 m · 1 km
Castallack3.1 m · 0 km
Penzance2.4 m · 1 km
Trelissick2.1 m · 1 km
La Línea de la Concepción2.1 m · 2 km
Ceuta2 m · 0 km
Algeciras2 m · 0 km
Puerto Real2 m · 0 km
Corcubión2 m · 1 km