Number of significant volcanic eruptions in Tonga
Tonga: Number of significant volcanic eruptions was 1 events in 2022. ▬ Flat
Number of significant volcanic eruptions in Tonga, 1853–2022
Source: National Geophysical Data Center / World Data Service (2025) – with major processing by Our World in Data. Measured in events.
Analysis
The most recent figure for number of significant volcanic eruptions in Tonga is 1 events, measured in 2022. That is the highest value across all 5 years on record.
Over the whole period, number of significant volcanic eruptions in Tonga peaked at 1 events in 1853 and was at its lowest, 1 events, in 1853.
That places Tonga 6th out of 25 countries with data for 2022, putting it in the top quarter.
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1850s | 1 events | 1 events | 1 events | 1 |
| 1880s | 1 events | 1 events | 1 events | 1 |
| 1890s | 1 events | 1 events | 1 events | 1 |
| 1900s | 1 events | 1 events | 1 events | 1 |
| 2020s | 1 events | 1 events | 1 events | 1 |
Countries ranked near Tonga
- 3 Italy 2 events compare
- 3 Japan 2 events compare
- 3 Philippines 2 events compare
- 6 Chile 1 events compare
- 6 Colombia 1 events compare
- 6 Comoros 1 events compare
- 6 Costa Rica 1 events compare
- 6 Democratic Republic of Congo 1 events compare
- 6 Ecuador 1 events compare
- 6 Greece 1 events compare
- 6 Guatemala 1 events compare
- 6 Iceland 1 events compare
- 6 Mexico 1 events compare
- 6 New Zealand 1 events compare
- 6 Nicaragua 1 events compare
- 6 Papua New Guinea 1 events compare
- 6 Portugal 1 events compare
- 6 Russia 1 events compare
- 6 Solomon Islands 1 events compare
- 6 Spain 1 events compare
- 6 Tanzania 1 events compare
- 6 Vanuatu 1 events compare
More reference data data for Tonga
- Universal right to vote in practice 2 (2025)
- Competitive elections 1 (2025)
- Free country 2 (2025)
- Civil liberties rating 2 (2025)
- Men's universal right to vote 1 (2025)
- Elected parliament 1 (2025)
- Democracy 7 (2025)
- Consumer price index 174.32 2010 = 100 (2025)
- Universal right to vote 2 (2025)
- Chief executive of the government is elected 1 (2025)
Frequently asked questions
- What is number of significant volcanic eruptions in Tonga?
- Number of significant volcanic eruptions in Tonga was 1 events in 2022, according to National Geophysical Data Center / World Data Service (2025) – with major processing by Our World in Data.
- What is the highest number of significant volcanic eruptions recorded in Tonga?
- The highest recorded value was 1 events in 1853.
- What is the lowest number of significant volcanic eruptions recorded in Tonga?
- The lowest recorded value was 1 events in 1853.
- How does Tonga rank for number of significant volcanic eruptions?
- Tonga ranks 6th out of 25 countries with data for 2022.
- Where does this Tonga data come from?
- The figures come from National Geophysical Data Center / World Data Service (2025) – with major processing by Our World in Data, published as part of Number of significant volcanic eruptions. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 5 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
A significant eruption is classified as one that meets at least one of the following criteria: caused fatalities, caused moderate damage (approximately $1 million or more), with a Volcanic Explosivity Index (VEI) of 6 or larger, caused a tsunami, or was associated with a major earthquake.