M5.2 earthquake 226 km SSW of ‘Ohonua, Tonga
A magnitude 5.2 earthquake struck 226 km SSW of ‘Ohonua, Tonga on Sat, Feb 6, 2021, 5:40 PM GMT+13 (04:40 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
- 5.2 (mb, body-wave), moderate
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2021-02-06 04:40:31 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 23.286° S, 175.597° W
- Region
- Tonga
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Magnitude estimates
Different scales measure different things and differ by a few tenths. The USGS marks one as preferred, and it is the one this page uses.
| Mag. | Scale | Computed by | Notes |
|---|---|---|---|
| 5.2 | mb, body-wave | USGS National Earthquake Information Center | Preferred · Reviewed · ±0.203 · 8 stations |
| 5.02 | Mw, moment | ISC-GEM global catalog | Final · ±0.1 |
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 12.2 km horizontally, 1.9 km in depth
- Magnitude uncertainty
- ±0.20
- Depth from
- Operator assigned
- Station coverage gap
- 95°
- Stations used
- 12
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 2.2 and up: 4 in the 60 days after this one and 4 in the 30 days before it.
After
- 4.6241 km SSW of ‘Ohonua, Tonga · 2065 days ago · 10 km deep · 21 km away
- 4.4282 km SW of ‘Ohonua, Tonga · 2028 days ago · 91 km deep · 100 km away
- 4.9Tonga region · 2016 days ago · 10 km deep · 93 km away
- 4.6220 km S of ‘Ohonua, Tonga · 2015 days ago · 10 km deep · 90 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us6000dh0c (also filed as iscgem619842920). Read Sun, Oct 4, 2026, 9:45 AM UTC.