M4.7 earthquake 66 km ENE of Pangai, Tonga
A magnitude 4.7 earthquake struck 66 km ENE of Pangai, Tonga on Thu, Aug 12, 2021, 5:16 AM GMT+13 (16:16 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
- 4.7 (mb), light
- Local time
- UTC
- 2021-08-11 16:16:23 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 19.667° S, 173.741° 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 7.4 km horizontally, 1.7 km in depth
- Magnitude uncertainty
- ±0.10
- Depth from
- Operator assigned
- Station coverage gap
- 81°
- Stations used
- 30
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.7 and up: 3 in the 60 days after this one and 2 in the 30 days before it.
After
- 4.293 km SE of Neiafu, Tonga · 1844 days ago · 10 km deep · 58 km away
- 4.433 km SSE of Pangai, Tonga · 1831 days ago · 10 km deep · 70 km away
- 4.799 km ENE of Pangai, Tonga · 1818 days ago · 10 km deep · 37 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us6000f46b. Read Wed, Sep 30, 2026, 1:01 PM UTC.