M4.5 earthquake 117 km NE of Hihifo, Tonga
A magnitude 4.5 earthquake struck 117 km NE of Hihifo, Tonga on Sat, Feb 6, 2021, 6:30 AM GMT+14 (16:30 UTC), 10 km (6 mi) below the surface.
A larger quake followed: M5.0 122 km NE of Hihifo, Tonga. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.5 (mb), light
- Local time
- UTC
- 2021-02-05 16:30:35 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 15.195° S, 173.027° 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 10.9 km horizontally, 1.9 km in depth
- Magnitude uncertainty
- ±0.17
- Depth from
- Operator assigned
- Station coverage gap
- 149°
- Stations used
- 15
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 5 in the 60 days after this one and 7 in the 30 days before it.
After
- 4.933 km NE of Hihifo, Tonga · 2061 days ago · 37 km deep · 84 km away
- 5.0122 km NE of Hihifo, Tonga · 2046 days ago · 10 km deep · 20 km away · felt by 1
- 5.0112 km NNE of Hihifo, Tonga · 2044 days ago · 10 km deep · 25 km away · felt by 2
- 4.4147 km ENE of Hihifo, Tonga · 2027 days ago · 10 km deep · 56 km away
- 4.674 km NNE of Hihifo, Tonga · 2018 days ago · 10 km deep · 47 km away
Before
- 4.696 km NE of Hihifo, Tonga · 2065 days ago · 10 km deep · 24 km away
- 4.572 km ENE of Hihifo, Tonga · 2067 days ago · 10 km deep · 53 km away
- 4.663 km N of Hihifo, Tonga · 2073 days ago · 85 km deep · 74 km away
- 4.586 km E of Hihifo, Tonga · 2080 days ago · 10 km deep · 77 km away
- 4.983 km NE of Hihifo, Tonga · 2081 days ago · 10 km deep · 36 km away
- 4.450 km N of Hihifo, Tonga · 2082 days ago · 62 km deep · 95 km away
- 4.6108 km NNE of Hihifo, Tonga · 2092 days ago · 10 km deep · 52 km away
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us6000dgzk. Read Wed, Sep 30, 2026, 8:34 PM UTC.