Number of significant earthquakes in Tonga
Tonga: Number of significant earthquakes was 1 events in 2023. ▲ Rising
Number of significant earthquakes in Tonga, 1853–2023
Source: National Geophysical Data Center / World Data Service (2025) – with major processing by Our World in Data. Measured in events.
Analysis
Tonga recorded 1 events for number of significant earthquakes in 2023. That is the lowest value across all 23 years on record.
That represents a change of unchanged over ten years.
Over the whole period, number of significant earthquakes in Tonga peaked at 2 events in 1977 and was at its lowest, 1 events, in 1853.
That places Tonga 21st out of 97 countries with data for 2023, putting it in the top quarter.
The long-run direction has been consistently rising across the 23 years of available data.
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1850s | 1 events | 1 events | 1 events | 1 |
| 1860s | 1 events | 1 events | 1 events | 1 |
| 1880s | 1 events | 1 events | 1 events | 1 |
| 1900s | 1 events | 1 events | 1 events | 3 |
| 1910s | 1 events | 1 events | 1 events | 2 |
| 1920s | 1 events | 1 events | 1 events | 1 |
| 1940s | 1 events | 1 events | 1 events | 2 |
| 1950s | 1 events | 1 events | 1 events | 2 |
| 1960s | 1 events | 1 events | 1 events | 1 |
| 1970s | 1.5 events | 1 events | 2 events | 2 |
| 1980s | 1 events | 1 events | 1 events | 2 |
| 1990s | 1 events | 1 events | 1 events | 1 |
| 2000s | 1 events | 1 events | 1 events | 2 |
| 2020s | 1 events | 1 events | 1 events | 2 |
Countries ranked near Tonga
- 21 Albania 1 events compare
- 21 Algeria 1 events compare
- 21 Antarctica 1 events compare
- 21 Argentina 1 events compare
- 21 Armenia 1 events compare
- 21 Australia 1 events compare
- 21 Austria 1 events compare
- 21 Azerbaijan 1 events compare
- 21 Bangladesh 1 events compare
- 21 Bolivia 1 events compare
- 21 Bosnia and Herzegovina 1 events compare
- 21 Brazil 1 events compare
- 21 Bulgaria 1 events compare
- 21 Canada 1 events compare
- 21 Chile 1 events compare
- 21 China 1 events compare
- 21 Colombia 1 events compare
- 21 Congo 1 events compare
- 21 Costa Rica 1 events compare
- 21 Cuba 1 events compare
- 21 Ecuador 1 events compare
- 21 Egypt 1 events compare
- 21 El Salvador 1 events compare
- 21 Eritrea 1 events compare
- 21 Ethiopia 1 events compare
- 21 France 1 events compare
- 21 Georgia 1 events compare
- 21 Germany 1 events compare
- 21 Ghana 1 events compare
- 21 Guatemala 1 events compare
- 21 Haiti 1 events compare
- 21 Honduras 1 events compare
- 21 Iceland 1 events compare
- 21 Iraq 1 events compare
- 21 Israel 1 events compare
- 21 Jamaica 1 events compare
- 21 Kazakhstan 1 events compare
- 21 Kyrgyzstan 1 events compare
- 21 Lebanon 1 events compare
- 21 Mongolia 1 events compare
- 21 Montenegro 1 events compare
- 21 Morocco 1 events compare
- 21 Myanmar 1 events compare
- 21 Nepal 1 events compare
- 21 North Korea 1 events compare
- 21 North Macedonia 1 events compare
- 21 Pakistan 1 events compare
- 21 Panama 1 events compare
- 21 Papua New Guinea 1 events compare
- 21 Poland 1 events compare
- 21 Portugal 1 events compare
- 21 Romania 1 events compare
- 21 Russia 1 events compare
- 21 Rwanda 1 events compare
- 21 Samoa 1 events compare
- 21 Serbia 1 events compare
- 21 Slovenia 1 events compare
- 21 Solomon Islands 1 events compare
- 21 South Africa 1 events compare
- 21 South Korea 1 events compare
- 21 Spain 1 events compare
- 21 Switzerland 1 events compare
- 21 Syria 1 events compare
- 21 Taiwan 1 events compare
- 21 Tajikistan 1 events compare
- 21 Tanzania 1 events compare
- 21 Tunisia 1 events compare
- 21 Turkmenistan 1 events compare
- 21 United Kingdom 1 events compare
- 21 United States 1 events compare
- 21 Uzbekistan 1 events compare
- 21 Vanuatu 1 events compare
- 21 Vietnam 1 events compare
- 21 Yemen 1 events compare
More reference data data for Tonga
- Universal right to vote in practice 2 (2025)
- Consumer price index 174.32 2010 = 100 (2025)
- Universal right to vote 2 (2025)
- Competitive elections 1 (2025)
- Men's universal right to vote 1 (2025)
- Elected parliament 1 (2025)
- Chief executive of the government is elected 1 (2025)
- Democracy 7 (2025)
- Civil liberties rating 2 (2025)
- Free country 2 (2025)
Frequently asked questions
- What is number of significant earthquakes in Tonga?
- Number of significant earthquakes in Tonga was 1 events in 2023, 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 earthquakes recorded in Tonga?
- The highest recorded value was 2 events in 1977.
- What is the lowest number of significant earthquakes recorded in Tonga?
- The lowest recorded value was 1 events in 1853.
- How does Tonga rank for number of significant earthquakes?
- Tonga ranks 21st out of 97 countries with data for 2023.
- Is number of significant earthquakes rising or falling in Tonga?
- Over the last ten years it is unchanged. The long-run trend across the full record is rising.
- 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 earthquakes. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 23 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
A significant earthquake meets at least one of the following: caused deaths, moderate damage ($1 million or more), a magnitude 7.5 or greater, Modified Mercalli Intensity (MMI) X or greater, or generated a tsunami. Due to data availability, recent data will be more complete than older historical estimates.