M5.1 earthquake 144 km ESE of Neiafu, Tonga
A magnitude 5.1 earthquake struck 144 km ESE of Neiafu, Tonga on Tue, Feb 9, 2021, 9:08 AM GMT+13 (20:08 UTC), 10 km (6 mi) below the surface.
A larger quake followed: M5.3 52 km SE of Neiafu, Tonga. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.1 (mb), moderate
- Local time
- UTC
- 2021-02-08 20:08:09 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 18.981° S, 172.656° 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 12.3 km horizontally, 1.9 km in depth
- Magnitude uncertainty
- ±0.12
- Depth from
- Operator assigned
- Station coverage gap
- 83°
- Stations used
- 33
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 2.1 and up: 9 in the 60 days after this one and 0 in the 30 days before it.
After
- 5.352 km SE of Neiafu, Tonga · 2051 days ago · 10 km deep · 97 km away · felt by 3
- 5.393 km ESE of Neiafu, Tonga · 2049 days ago · 10 km deep · 60 km away
- 4.7143 km ESE of Neiafu, Tonga · 2046 days ago · 10 km deep · 32 km away
- 4.5139 km E of Neiafu, Tonga · 2033 days ago · 10 km deep · 30 km away
- 4.6132 km E of Neiafu, Tonga · 2030 days ago · 10 km deep · 24 km away
- 4.5180 km ENE of Neiafu, Tonga · 2022 days ago · 10 km deep · 90 km away
- 4.683 km ENE of Neiafu, Tonga · 2018 days ago · 10 km deep · 93 km away
- 4.9130 km ENE of Neiafu, Tonga · 2008 days ago · 10 km deep · 84 km away
- 4.4179 km SE of Neiafu, Tonga · 2001 days ago · 10 km deep · 69 km away
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us6000dfpr. Read Tue, Sep 29, 2026, 8:50 PM UTC.