M4.8 earthquake 139 km ENE of ‘Ohonua, Tonga
A magnitude 4.8 earthquake struck 139 km ENE of ‘Ohonua, Tonga on Mon, Feb 22, 2021, 10:34 AM GMT+13 (21:34 UTC), 10 km (6 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.8 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2021-02-21 21:34:57 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 20.972° S, 173.662° 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, 1.8 km in depth
- Magnitude uncertainty
- ±0.08
- Depth from
- Operator assigned
- Station coverage gap
- 111°
- Stations used
- 70
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.8 and up: 3 in the 60 days after this one and 3 in the 30 days before it.
After
- 4.884 km ENE of ‘Ohonua, Tonga · 2045 days ago · 10 km deep · 55 km away
- 4.7130 km SE of Pangai, Tonga · 2018 days ago · 10 km deep · 28 km away
- 4.5122 km ENE of ‘Ohonua, Tonga · 2010 days ago · 10 km deep · 23 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us6000djy9. Read Fri, Oct 2, 2026, 11:32 AM UTC.