| Magnitude | 5.5 |
| Region | TONGA |
| Date time | 2025-08-18 07:48:45.3 UTC |
| Location | -15.298 ; -173.359 |
| Depth | 10 km |
| Distance | 236 km SW of Apia, Samoa / pop: 40,400 / local time: 20:48:45.3 2025-08-18 199 km SSW of Gataivai, Samoa / pop: 1,100 / local time: 20:48:45.3 2025-08-18 |
Source parameters reviewed by a seismologist
All data providers for this event:
Geoscience Australia, Canberra, ACT, Australia -- Canberra, Australia (AUST)British Geological Survey -- Edinburgh, United Kingdom (BGS)
Badan Meteorologi, Klimatologi dan Geofisika -- Jakarta, Indonesia (BMKG)
GeoForschungsZentrum (GFZ) -- Potsdam, Germany (GFZ)
Geonet, GNS science -- Lower Hutt, New Zealand (GNS)
Geophysical Survey of the Russian Academy of Sciences -- Obninsk, Russia (GSRAS)
Kandilli Observatory and Earthquake Research Institute -- Istanbul, Turkey (KOERI)
National Earthquake Information Center, U.S. Geological Survey -- Golden, United States (NEIC)
EMSC -- Arpajon, France (SC4)
Further information can be found at:
GeoForschungsZentrum (GFZ) -- Potsdam, Germany (GFZ)National Earthquake Information Center, U.S. Geological Survey -- Golden, United States (NEIC)