The marked positions on the map represent the most effected regions within the past 270 years.
Tsunamis are caused by earthquakes or other seismic eruptions on ground of an oceans and can cause massive tidal waves, which run with enormous force on land, causing great devastation. Especially in regions with only few tsunamis, the damage is often drastic, as the population does not expect tsunamis and thus hardly takes any protective measures. Even relatively small flood waves can lead to high losses and financial damage.
The largest tsunamis in the United Kingdom since 1755
max wave height
Meteorological event in the United Kingdom (North Sea)
Earthquake in Portugal (Sw Portugal) with a magnitude of 8.5. The tsunami also reached Portugal, Barbados.
Earthquake in Portugal (Lisbon) with a magnitude of 8.5. The tsunami caused damages in 12 further countries. A total of 50,000 humans died.
These statistics are based on datas from the National Geophysical Data Center / World Data Service (NGDC/WDS): Global Historical Tsunami Database. doi:10.7289/V5TD9V7K. Several data have been summarized and translated.