M4.7 earthquake 127 km SW of Vaini, Tonga
A magnitude 4.7 earthquake struck 127 km SW of Vaini, Tonga on Tue, Jul 27, 2021, 8:20 AM GMT+13 (19:20 UTC), 141 km (88 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.7 (mb), light
- Local time
- UTC
- 2021-07-26 19:20:00 UTC
- Depth
- 141.4 km (87.8 mi), intermediate-depth
- Epicenter
- 22.015° S, 176.041° 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 13.0 km horizontally, 6.0 km in depth
- Magnitude uncertainty
- ±0.05
- Depth from
- From location
- Station coverage gap
- 76°
- Stations used
- 69
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.7 and up: 3 in the 60 days after this one and 0 in the 30 days before it.
After
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us6000eza8. Read Tue, Sep 29, 2026, 7:06 AM UTC.