This is a list of earthquakes in Tonga:
| Date | Region | Coords | Mag. | MMI | Deaths | Injuries | Comments | ||
|---|---|---|---|---|---|---|---|---|---|
| 2013-05-23 | Vaini | 23°00′32″S 177°13′55″W / 23.009°S 177.232°W | 7.4 Mw | VI | [1] | ||||
| 2009-03-19 | 23°08′S 174°35′W / 23.13°S 174.58°W | 7.6 Mw | VII | Tsunami | |||||
| 2006-05-04 | 19°58′S 174°16′W / 19.97°S 174.27°W | 8.0 Mw | VII | 1 | Tsunami | ||||
| 1977-06-22 | 22°53′S 175°54′W / 22.88°S 175.9°W | 7.2 Ms | IV | 1 | $1.2 million in damage / tsunami | NGDC 1972 | |||
| 1919-04-30 | 18°21′S 172°31′W / 18.35°S 172.52°W | 8.1 Mw | Limited damage / tsunami | NGDC 1972 | |||||
| 1865-11-18 | 19°30′S 173°30′W / 19.5°S 173.5°W | 8.0 Ms | Limited damage / tsunami | NGDC 1972 | |||||
| Note: The inclusion criteria for adding events are based on WikiProject Earthquakes' notability guideline that was developed for stand-alone articles. The principles described also apply to lists. In summary, only damaging, injurious, or deadly events should be recorded. | |||||||||