M4.6 earthquake 120 km SSW of Hihifo, Tonga
A magnitude 4.6 earthquake struck 120 km SSW of Hihifo, Tonga on Mon, Jan 11, 2021, 5:01 AM GMT-12 (17:01 UTC), 148 km (92 mi) below the surface.
A larger quake followed: M4.9 148 km SSW 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
- 4.6 (mb), light
- Local time
- UTC
- 2021-01-11 17:01:39 UTC
- Depth
- 147.9 km (91.9 mi), intermediate-depth
- Epicenter
- 17.016° S, 174.038° 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 7.7 km horizontally, 4.5 km in depth
- Magnitude uncertainty
- ±0.05
- Depth from
- From location
- Station coverage gap
- 62°
- Stations used
- 51
Nearby
Within 100 km, magnitude 1.6 and up: 8 in the 60 days after this one and 3 in the 30 days before it.
After
- 4.8143 km SSW of Hihifo, Tonga · 2073 days ago · 92 km deep · 24 km away
- 4.581 km SW of Hihifo, Tonga · 2071 days ago · 74 km deep · 67 km away
- 4.9148 km SSW of Hihifo, Tonga · 2061 days ago · 157 km deep · 39 km away
- 4.3174 km SW of Hihifo, Tonga · 2054 days ago · 262 km deep · 87 km away
- 4.0106 km SSW of Hihifo, Tonga · 2041 days ago · 99 km deep · 21 km away
- 4.4143 km SSW of Hihifo, Tonga · 2032 days ago · 87 km deep · 26 km away
- 4.4110 km SSW of Hihifo, Tonga · 2030 days ago · 140 km deep · 17 km away
- 4.663 km SSE of Hihifo, Tonga · 2030 days ago · 7 km deep · 77 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us6000d7gy. Read Wed, Sep 30, 2026, 12:56 AM UTC.