4.8
Earthquake Details: south of Tonga
Aug 18, 2026, 11:55:27
A magnitude 4.8 earthquake occurred near south of Tonga on Aug 18, 2026 at 11:55:27. The seismic event was recorded at a depth of 10 km. No tsunami warning was issued.
No Tsunami WarningStatus: ReviewedType: Earthquake
Technical Details
Depth10 km
Significance354
Latitude-24.8258
Longitude-175.2897
Event IDus6000tme3
Magnitude4.8
Updated:Aug 21, 2026, 07:02:28 UTC
External Resources
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Time & depth
- Local time
- Aug 18, 2026, 11:55:27
- UTC
- Aug 18, 2026, 11:55:27 UTC
10 km · Shallow-focus
Less than 70 km deep. Shaking is often stronger near the epicentre.
Nearby event sequence · 1
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 21, 2026, 07:02 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.