4.9
Earthquake Details: 85 km W of Hihifo, Tonga
Sep 20, 2026, 00:33:21
A magnitude 4.9 earthquake occurred near 85 km W of Hihifo, Tonga on Sep 20, 2026 at 00:33:21. The seismic event was recorded at a depth of 10 km. No tsunami warning was issued.
No Tsunami WarningStatus: ReviewedType: Earthquake
Regional Seismicity
Technical Details
Depth10 km
Significance369
Latitude-15.9606
Longitude-174.5971
Event IDus7000timw
Magnitude4.9
Updated:Sep 20, 2026, 01:05:27 UTC
External Resources
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Time & depth
- Local time
- Sep 20, 2026, 13:33:21 GMT+13
- UTC
- Sep 20, 2026, 00:33:21 UTC
10 km · Shallow-focus
Less than 70 km deep. Shaking is often stronger near the epicentre.
Nearby major cities
Nearby event sequence · 12
M4.8TongaBeforeM5.0103 km W of Hihifo, TongaAfterM4.3Fiji regionAfterM5.2104 km W of Hihifo, TongaAfterM4.4135 km SW of Hihifo, TongaAfterM4.2245 km E of Levuka, FijiAfterM4.2Fiji regionAfterM4.4Fiji regionAfterM4.0282 km S of Alo, Wallis and FutunaAfterM5.7180 km NW of Hihifo, TongaAfterM4.9193 km SE of Mata-Utu, Wallis and FutunaAfterM4.3282 km WNW of Neiafu, TongaAfter
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Earthquake information is automatically aggregated from the official seismic agencies listed below. Preliminary measurements can change as agencies review an event; use local emergency authorities for safety decisions. Latest successful data update: Sep 20, 2026, 01:05 UTC.
Data sources:
- USGS — Credit: U.S. Geological Survey.
- EMSC — Credit: EMSC/CSEM. Event catalogue data are provided under CC BY 4.0. CC BY 4.0
- JMA — Source: Japan Meteorological Agency (JMA).
- Geoscience Australia — Based on Australian Earthquakes data by Geoscience Australia. © Commonwealth of Australia. Licensed under CC BY 4.0; the section 5 disclaimer applies. CC BY 4.0
- GeoNet — We acknowledge the New Zealand GeoNet programme and its sponsors NHC, Earth Sciences NZ, LINZ, NEMA and MBIE for providing earthquake data.