M4.3 earthquake 157 km NW of Neiafu, Tonga
A magnitude 4.3 earthquake struck 157 km NW of Neiafu, Tonga on Mon, Oct 20, 2025, 7:50 AM GMT+13 (18:50 UTC), 241 km (150 mi) below the surface.
A larger quake followed: M4.7 114 km NW of Neiafu, Tonga. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.3 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2025-10-19 18:50:05 UTC
- Depth
- 241.1 km (149.8 mi), intermediate-depth
- Epicenter
- 17.551° S, 174.923° W
- Region
- Tonga
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Did you feel it?
No one has reported feeling this quake to the USGS.
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 12.0 km horizontally, 8.7 km in depth
- Magnitude uncertainty
- ±0.13
- Depth from
- From location
- Station coverage gap
- 119°
- Stations used
- 25
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 5 in the 60 days after this one and 2 in the 30 days before it.
After
- 4.3139 km NW of Neiafu, Tonga · 345 days ago · 182 km deep · 41 km away
- 4.2158 km NW of Neiafu, Tonga · 339 days ago · 226 km deep · 25 km away
- 4.4131 km SW of Hihifo, Tonga · 326 days ago · 187 km deep · 83 km away
- 4.6147 km NNW of Neiafu, Tonga · 311 days ago · 104 km deep · 36 km away
- 4.7114 km NW of Neiafu, Tonga · 308 days ago · 10 km deep · 43 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us6000ri6t. Read Mon, Oct 5, 2026, 1:41 PM UTC.