M4.3 earthquake 240 km WNW of Neiafu, Tonga
A magnitude 4.3 earthquake struck 240 km WNW of Neiafu, Tonga on Tue, Apr 27, 2021, 5:59 PM GMT+13 (04:59 UTC), 605 km (376 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.3 (mb), light
- Local time
- UTC
- 2021-04-27 04:59:51 UTC
- Depth
- 604.6 km (375.7 mi), deep
- Epicenter
- 17.981° S, 176.151° 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 15.8 km horizontally, 9.4 km in depth
- Magnitude uncertainty
- ±0.13
- Depth from
- From location
- Station coverage gap
- 94°
- Stations used
- 20
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 2 in the 60 days after this one and 1 in the 30 days before it.
After
- 4.2Fiji region · 1959 days ago · 372 km deep · 78 km away
- 4.3291 km WNW of Neiafu, Tonga · 1935 days ago · 329 km deep · 52 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us7000e02g. Read Wed, Sep 30, 2026, 7:09 PM UTC.