M4.9 earthquake 148 km SSW of Hihifo, Tonga
A magnitude 4.9 earthquake struck 148 km SSW of Hihifo, Tonga on Sat, Feb 6, 2021, 2:25 PM GMT-12 (02:25 UTC), 157 km (98 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.9 (mb), light
- Local time
- UTC
- 2021-02-07 02:25:06 UTC
- Depth
- 157.1 km (97.6 mi), intermediate-depth
- Epicenter
- 17.182° S, 174.357° 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 9.4 km horizontally, 5.5 km in depth
- Magnitude uncertainty
- ±0.03
- Depth from
- From location
- Station coverage gap
- 52°
- Stations used
- 70
Nearby
Within 100 km, magnitude 1.9 and up: 5 in the 60 days after this one and 3 in the 30 days before it.
After
- 4.3174 km SW of Hihifo, Tonga · 2054 days ago · 262 km deep · 51 km away
- 4.0106 km SSW of Hihifo, Tonga · 2041 days ago · 99 km deep · 42 km away
- 4.4143 km SSW of Hihifo, Tonga · 2033 days ago · 87 km deep · 15 km away
- 4.4110 km SSW of Hihifo, Tonga · 2031 days ago · 140 km deep · 39 km away
- 4.685 km SSW of Hihifo, Tonga · 2003 days ago · 125 km deep · 65 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us6000df96 (also filed as iscgem619810838). Read Wed, Sep 30, 2026, 5:30 AM UTC.