Tonga
Brief · 15 September 2026
Tonga experienced a cluster of moderate earthquakes over the past week, centred around the Neiafu and Hihifo areas. The most significant was an M5.3 quake 26 km northwest of Neiafu, which exposed an estimated 15,426 people to shaking and generated 3 felt reports. Several additional earthquakes of magnitude M4.6 to M4.9 were recorded nearby in the same period.
Earthquake An M5.3 earthquake struck 26 km northwest of Neiafu at a depth of 10 km, with an estimated 15,426 people exposed to shaking and 3 felt reports, remaining an ongoing event at orange severity. Nearby, additional quakes of M4.9, M4.9, M4.7, and M4.6 were recorded east of Hihifo, northeast of Neiafu, north-northeast of Hihifo, and west-northwest of Houma, respectively, all at orange severity.
Generated by claude-sonnet-5 at 15 Sept, 10:03 UTC from Hazardly's own event records for the seven days to 15 September 2026. Not reviewed by a person before publication. Outbreak lines name the disease and country only; WHO's bulletin text is on each outbreak's event page.
Events · last 7 days · 5
- Earthquake26 km NW of Neiafu, Tonga9 Sept, 14:16 UTC
Below the significance bar
- Earthquake139 km NNE of Hihifo, Tonga10 Sept, 13:02 UTC
- Earthquake295 km WNW of Houma, Tonga9 Sept, 20:15 UTC
- Earthquake54 km E of Hihifo, Tonga9 Sept, 17:31 UTC
- Earthquake211 km ENE of Neiafu, Tonga9 Sept, 04:02 UTC
Seven days of source changes
Revisions · 5 events also first tracked this week
No revisions this week — earthquakes are logged once and never revised; storms, fires, volcanoes and outbreaks record every source update.
Every event on this page traces to the official source it cites; figures are the sources' own. The brief is generated automatically from those records and is not an official warning or advice. Check the linked sources and local authorities before acting.