M5.3 earthquake 52 km SE of Neiafu, Tonga
A magnitude 5.3 earthquake struck 52 km SE of Neiafu, Tonga on Wed, Feb 17, 2021, 4:54 AM GMT+13 (15:54 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
- 5.3 (mww), moderate
- Local time
- UTC
- 2021-02-16 15:54:08 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 18.936° S, 173.581° W
- Region
- Tonga
- Felt reports
- 3
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Did you feel it?
3 people reported to the USGS what they felt; the strongest reported shaking was IV, light shaking.

How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 8.8 km horizontally, 1.9 km in depth
- Magnitude uncertainty
- ±0.07
- Depth from
- Operator assigned
- Station coverage gap
- 149°
- Stations used
- 33
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 2.3 and up: 7 in the 60 days after this one and 1 in the 30 days before it.
After
- 5.393 km ESE of Neiafu, Tonga · 2050 days ago · 10 km deep · 41 km away
- 4.7143 km ESE of Neiafu, Tonga · 2047 days ago · 10 km deep · 91 km away
- 4.617 km SSE of Neiafu, Tonga · 2036 days ago · 44 km deep · 38 km away
- 4.5139 km E of Neiafu, Tonga · 2034 days ago · 10 km deep · 100 km away
- 4.6132 km E of Neiafu, Tonga · 2030 days ago · 10 km deep · 90 km away
- 4.683 km ENE of Neiafu, Tonga · 2019 days ago · 10 km deep · 73 km away
- 4.895 km ENE of Pangai, Tonga · 2017 days ago · 10 km deep · 70 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us6000di3t (also filed as iscgem619838655). Read Wed, Sep 30, 2026, 10:32 AM UTC.