|Date (local):||April 22, 2010, 06:20:28|
|Date (UTC):||Apr. 21, 17:20:28|
|Epicenter location:||75 km NNE of Hihifo|
|Flinn-Engdahl region:||173 — Tonga Islands|
|Tectonic plates:||Tonga Plate, Pacific Plate|
- ↑ This information is based on an automatic estimation by the PAGER system and is sometimes not updated when the magnitude of the earthquake is updated. It might therefore be not correct.