Portugal vs Tonga: Number of tsunamis

Portugal
2 events
in 1980
Tonga
4 events
in 2022
Portugal rank
4th
Tonga rank
1st

Number of tsunamis over time

  • Portugal
  • Tonga
1234153117762022

How they compare

Tonga currently reports 4 events against 2 events in Portugal, a difference of 2 events.

That makes Tonga's figure about 2.0 times Portugal's.

Portugal ranks 4th and Tonga ranks 1st of 38 countries.

Frequently asked questions

Which has higher number of tsunamis, Portugal or Tonga?
Tonga, at 4 events against 2 events in Portugal as of 2022.
What is the difference in number of tsunamis between Portugal and Tonga?
2 events, with Tonga ahead.
How do Portugal and Tonga rank globally for number of tsunamis?
Portugal ranks 4th and Tonga ranks 1st of 38 countries.
Where does this data come from?
National Geophysical Data Center / World Data Service (2025) – with major processing by Our World in Data, published as Number of tsunamis. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Individual pages

About this data

Indicator
Number of tsunamis
Unit
events
Source
National Geophysical Data Center / World Data Service (2025) – with major processing by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
38 places, 1,068 data points, 1026–2024
Last refreshed