4.9
Earthquake Details: 264 km WNW of Houma, Tonga
Aug 27, 2026, 23:02:58
A magnitude 4.9 earthquake occurred near 264 km WNW of Houma, Tonga on Aug 27, 2026 at 23:02:58. The seismic event was recorded at a depth of 520.31 km. No tsunami warning was issued.
No Tsunami WarningStatus: ReviewedType: Earthquake
Regional Seismicity
Technical Details
Depth520.31 km
Significance369
Latitude-20.3798
Longitude-177.6957
Event IDus7000tcgb
Magnitude4.9
Updated:Aug 27, 2026, 23:19:04 UTC
External Resources
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Time & depth
- Local time
- Aug 28, 2026, 12:02:58 GMT+13
- UTC
- Aug 27, 2026, 23:02:58 UTC
520.31 km · Deep-focus
More than 300 km deep. Deep earthquakes can be felt across a wide area.
Nearby major cities
Nearby event sequence · 8
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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: Aug 27, 2026, 23:19 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.