Indonesia vs Tonga: Number of tsunamis
Indonesia
2 events
in 2023
Tonga
4 events
in 2022
Indonesia rank
4th
Tonga rank
1st
Number of tsunamis over time
- Indonesia
- Tonga
How they compare
Tonga currently reports 4 events against 2 events in Indonesia, a difference of 2 events.
That makes Tonga's figure about 2.0 times Indonesia's.
The two have swapped places 3 times across 6 shared years of data; in 1892 it was Indonesia ahead.
Indonesia ranks 4th and Tonga ranks 1st of 38 countries.
Across the 5 decades both report, Indonesia averaged higher in 2 and Tonga in 1.
Head to head by decade
| Decade | Indonesia | Tonga | Difference | Ahead |
|---|---|---|---|---|
| 1890s | 3 events | 1 events | 2 events | Indonesia |
| 1940s | 1 events | 1 events | 0 events | — |
| 1970s | 1 events | 1 events | 0 events | — |
| 2000s | 4 events | 1 events | 3 events | Indonesia |
| 2020s | 1 events | 4 events | 3 events | Tonga |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher number of tsunamis, Indonesia or Tonga?
- Tonga, at 4 events against 2 events in Indonesia as of 2022.
- What is the difference in number of tsunamis between Indonesia and Tonga?
- 2 events, with Tonga ahead.
- How many years of comparable data are there for Indonesia and Tonga?
- 6 years are reported by both, from 1892 to 2022.
- How do Indonesia and Tonga rank globally for number of tsunamis?
- Indonesia 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.