Italy vs Tonga: Number of tsunamis

Italy
2 events
in 2022
Tonga
4 events
in 2022
Italy rank
4th
Tonga rank
1st

Number of tsunamis over time

  • Italy
  • Tonga
0246810116915952022

How they compare

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

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

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

Tonga has averaged higher in every one of the 3 decades both report.

Head to head by decade

Decade Italy Tonga Difference Ahead
1910s 1 events 1 events 0 events
1980s 1 events 1 events 0 events
2020s 2 events 4 events 2 events Tonga

Averages of every year both report within each decade.

Frequently asked questions

Which has higher number of tsunamis, Italy or Tonga?
Tonga, at 4 events against 2 events in Italy as of 2022.
What is the difference in number of tsunamis between Italy and Tonga?
2 events, with Tonga ahead.
How do Italy and Tonga rank globally for number of tsunamis?
Italy 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