M4.6 earthquake 194 km SSW of ‘Ohonua, Tonga
A magnitude 4.6 earthquake struck 194 km SSW of ‘Ohonua, Tonga on Wed, Apr 14, 2021, 7:05 AM GMT+13 (18:05 UTC), 35 km (22 mi) below the surface.
A larger quake followed: M4.9 232 km SSW of Vaini, Tonga. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.6 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2021-04-13 18:05:21 UTC
- Depth
- 35.0 km (21.7 mi), shallow
- Epicenter
- 23.006° S, 175.518° 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 10.0 km horizontally, 2.0 km in depth
- Magnitude uncertainty
- ±0.15
- Depth from
- Operator assigned
- Station coverage gap
- 124°
- Stations used
- 18
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.6 and up: 5 in the 60 days after this one and 2 in the 30 days before it.
After
- 4.9232 km SSW of Vaini, Tonga · 1995 days ago · 98 km deep · 83 km away
- 4.5246 km SSW of Vaini, Tonga · 1980 days ago · 105 km deep · 99 km away
- 4.4229 km S of ‘Ohonua, Tonga · 1950 days ago · 10 km deep · 55 km away
- 4.6236 km SSW of ‘Ohonua, Tonga · 1948 days ago · 35 km deep · 46 km away
- 4.7288 km SSW of ‘Ohonua, Tonga · 1946 days ago · 35 km deep · 95 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us6000e38m. Read Sun, Oct 4, 2026, 10:44 PM UTC.