M5.1 earthquake 127 km SSE of Pangai, Tonga
A magnitude 5.1 earthquake struck 127 km SSE of Pangai, Tonga on Wed, May 5, 2021, 6:16 PM GMT+13 (05:16 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
- 5.1 (mb, body-wave), moderate
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2021-05-05 05:16:33 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 20.803° S, 173.733° 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 |
|---|---|---|---|
| 5.1 | mb, body-wave | USGS National Earthquake Information Center | Preferred · Reviewed · ±0.054 · 110 stations |
| 4.99 | 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 10.8 km horizontally, 1.8 km in depth
- Magnitude uncertainty
- ±0.05
- Depth from
- Operator assigned
- Station coverage gap
- 116°
- Stations used
- 69
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 2.1 and up: 7 in the 60 days after this one and 4 in the 30 days before it.
After
- 4.5136 km SE of Pangai, Tonga · 1976 days ago · 10 km deep · 17 km away
- 4.9140 km SE of Pangai, Tonga · 1975 days ago · 10 km deep · 17 km away
- 5.0111 km ENE of ‘Ohonua, Tonga · 1962 days ago · 10 km deep · 32 km away
- 4.878 km ESE of ‘Ohonua, Tonga · 1961 days ago · 10 km deep · 90 km away
- 5.068 km SE of Pangai, Tonga · 1959 days ago · 10 km deep · 69 km away
- 4.4Tonga · 1958 days ago · 10 km deep · 25 km away
- 4.9131 km ENE of ‘Ohonua, Tonga · 1947 days ago · 10 km deep · 29 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us7000e08y (also filed as iscgem620353144). Read Sat, Oct 3, 2026, 1:07 AM UTC.