The CIA World Factbook Every edition, 1997 to 2025 Oceania
Natural hazards Tonga, in 29 editions.
The entry for Tonga published Natural hazards in 29 editions of 36, from 1997 to 2025. The text changed in 10 editions. Each is shown as published. Natural hazards in every entry.
- editions changed the text
- 10
- the first edition with it
- 1997
- the latest edition with it
- 2025
Published as “Natural hazards” (1997 to 2025).
field in that editiontext changed from the edition beforenot in that editionthe edition shownChoose an edition on the strip beside the text, or step through them with the arrows. Mark changes compares it with the edition before: the marks are ours, words added and words removed.
2025 edition
Changed since 2024The same text in 1997 and 1998.
cyclones (October to April); earthquakes and volcanic activity on Fonuafo'ou
cyclones (October to April); earthquakes and volcanic
activity on Fonuafo'ou
cyclones (October to April); earthquakes and volcanic activity on Fonuafo'ou
cyclones (October to April); earthquakes and volcanic
volcanic activity on Fonuafo'ou
The same text in 10 editions, 2000 to 2009.
cyclones (October to April); earthquakes and volcanic activity on Fonuafo'ou
cyclones (October to April); earthquakes and
cyclones (October to April); earthquakes and volcanic activity on Fonuafo'ou
- volcanism:
- the Tonga Islands experience volcanic activity;
- Fonualei (elev. 180 m, 591 ft) has shown frequent activity in recent years, while Niuafo'ou (elev. 260 m, 853 ft), which last erupted in 1985, has forced evacuations;
- other historically active volcanoes include Late and Tofua
Rewritten: too little of the 2009 text remains to mark the changes.
cyclones (October to April); earthquakes and volcanic activity on Fonuafo'ou
volcanism:
the Tonga Islands experience volcanic activity; Fonualei (elev. 180 m, 591 ft) has shown frequent activity in recent years, while Niuafo'ou (elev. 260 m, 853 ft), which last erupted in 1985, has forced evacuations; other historically active volcanoes include Late and Tofua
cyclones (October to April); earthquakes and volcanic activity on Fonuafo'ou
- volcanism:
- the Tonga Islands experience volcanic activity;
- Fonualei (elev. 180 m) has shown frequent activity in recent years, while Niuafo'ou (elev. 260 m), which last erupted in 1985, has forced evacuations;
- other historically active volcanoes include Late and Tofua
cyclones (October to April); earthquakes and volcanic activity on Fonuafo'ou
volcanism:
the Tonga Islands experience volcanic activity; Fonualei (elev. 180 m, 591 ft) m) has shown frequent activity in recent years, while Niuafo'ou (elev. 260 m, 853 ft), m), which last erupted in 1985, has forced evacuations; other historically active volcanoes include Late and Tofua
The same text in 3 editions, 2012 to 2014.
cyclones (October to April); earthquakes and volcanic activity on Fonuafo'ou
- volcanism:
- moderate volcanic activity;
- Fonualei (elev. 180 m) has shown frequent activity in recent years, while Niuafo'ou (elev. 260 m), which last erupted in 1985, has forced evacuations;
- other historically active volcanoes include Late and Tofua
cyclones (October to April); earthquakes and volcanic activity on Fonuafo'ou
volcanism:the Tonga Islands experience moderate volcanic activity; Fonualei (elev. 180 m) has shown frequent activity in recent years, while Niuafo'ou (elev. 260 m), which last erupted in 1985, has forced evacuations; other historically active volcanoes include Late and Tofua
The same text in 2015 and 2016.
cyclones (October to April); earthquakes and volcanic activity on Fonuafo'ou
- volcanism:
- moderate volcanic activity;
- Fonualei (elev. 180 m) has shown frequent activity in recent years, while Niuafo'ou (elev. 260 m), which last erupted in 1985, has forced evacuations;
- other historically active volcanoes include Late and Tofua
cyclones (October to April); earthquakes and volcanic activity on Fonuafo'ou
volcanism:
cyclones (October to April); earthquakes and volcanic activity on Fonuafo'ou
- volcanism:
- moderate volcanic activity;
- Fonualei (180 m) has shown frequent activity in recent years, while Niuafo'ou (260 m), which last erupted in 1985, has forced evacuations;
- other historically active volcanoes include Late and Tofua
cyclones (October to April); earthquakes and volcanic activity on Fonuafo'ou
volcanism: moderate volcanic activity; Fonualei (elev. 180 (180 m) has shown frequent activity in recent years, while Niuafo'ou (elev. 260 (260 m), which last erupted in 1985, has forced evacuations; other historically active volcanoes include Late and Tofua
The same text in 3 editions, 2018 to 2020.
- cyclones (October to April);
- earthquakes and volcanic activity on Fonuafo'ou volcanism: moderate volcanic activity;
- Fonualei (180 m) has shown frequent activity in recent years, while Niuafo'ou (260 m), which last erupted in 1985, has forced evacuations;
- other historically active volcanoes include Late and Tofua
cyclones (October to April); earthquakes and volcanic activity on Fonuafo'ou
The same text in 4 editions, 2021 to 2024.
cyclones (October to April); earthquakes and volcanic activity on Fonuafo'ou
- volcanism:
- moderate volcanic activity;
- Fonualei (180 m) has shown frequent activity in recent years, while Niuafo'ou (260 m), which last erupted in 1985, has forced evacuations;
- other historically active volcanoes include Late and Tofua
cyclones (October to April); earthquakes and volcanic activity on Fonuafo'ou
volcanism: moderate volcanic activity; Fonualei (180 m) has shown frequent activity in recent years, while Niuafo'ou (260 m), which last erupted in 1985, has forced evacuations; other historically active volcanoes include Late and Tofua
cyclones (October to April); earthquakes and volcanic activity on Fonuafo'ou
- volcanism:
- moderate volcanic activity;
- Fonualei (180 m) has had frequent activity in recent years, and Niuafo'ou (260 m) has forced evacuations;
- other historically active volcanoes include Late and Tofua
cyclones (October to April); earthquakes and volcanic activity on Fonuafo'ou
volcanism: moderate volcanic activity; Fonualei (180 m) has shown had frequent activity in recent years, while and Niuafo'ou (260 m), which last erupted in 1985, m) has forced evacuations; other historically active volcanoes include Late and Tofua
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Cite this page
Central Intelligence Agency. “Tonga: Natural hazards.” The World Factbook, 1997–2025 editions. Archived by The Factbook, thefactbook.org/tonga/natural-hazards.