M4.4 earthquake 248 km SW of Vaini, Tonga
A magnitude 4.4 earthquake struck 248 km SW of Vaini, Tonga on Sat, Aug 31, 2019, 5:56 PM GMT+13 (04:56 UTC), 97 km (60 mi) below the surface.
A larger quake followed: M5.5 south of the Fiji Islands. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.4 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2019-08-31 04:56:32 UTC
- Depth
- 97.0 km (60.3 mi), intermediate-depth
- Epicenter
- 22.919° S, 176.720° 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 12.2 km horizontally, 8.3 km in depth
- Magnitude uncertainty
- ±0.16
- Depth from
- From location
- Station coverage gap
- 118°
- Stations used
- 18
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 4 in the 60 days after this one and 1 in the 30 days before it.
After
- 4.3245 km SW of Vaini, Tonga · 2564 days ago · 164 km deep · 38 km away
- 5.2263 km SW of Haveluloto, Tonga · 2562 days ago · 226 km deep · 57 km away
- 4.5267 km SW of Vaini, Tonga · 2542 days ago · 60 km deep · 20 km away
- 5.5south of the Fiji Islands · 2530 days ago · 153 km deep · 57 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us70005cd8. Read Fri, Oct 2, 2026, 6:27 PM UTC.