M4.9 earthquake 232 km SSW of Vaini, Tonga
A magnitude 4.9 earthquake struck 232 km SSW of Vaini, Tonga on Mon, Apr 19, 2021, 3:18 AM GMT+13 (14:18 UTC), 98 km (61 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.9 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2021-04-18 14:18:39 UTC
- Depth
- 98.1 km (61.0 mi), intermediate-depth
- Epicenter
- 22.997° S, 176.329° 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 15.5 km horizontally, 6.9 km in depth
- Magnitude uncertainty
- ±0.11
- Depth from
- From location
- Station coverage gap
- 130°
- Stations used
- 34
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.9 and up: 4 in the 60 days after this one and 2 in the 30 days before it.
After
- 4.5246 km SSW of Vaini, Tonga · 1979 days ago · 105 km deep · 17 km away
- 4.6236 km SSW of ‘Ohonua, Tonga · 1948 days ago · 35 km deep · 60 km away
- 4.7288 km SSW of ‘Ohonua, Tonga · 1946 days ago · 35 km deep · 97 km away
- 4.5255 km SW of Vaini, Tonga · 1941 days ago · 32 km deep · 51 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us6000e3zs. Read Sun, Oct 4, 2026, 12:34 PM UTC.