M4.9 earthquake 180 km SE of Hihifo, Tonga
A magnitude 4.9 earthquake struck 180 km SE of Hihifo, Tonga on Wed, Feb 3, 2021, 9:15 AM GMT+14 (19:15 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
- 4.9 (mb), light
- Local time
- UTC
- 2021-02-02 19:15:20 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 17.006° S, 172.504° 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 10.1 km horizontally, 1.9 km in depth
- Magnitude uncertainty
- ±0.15
- Depth from
- Operator assigned
- Station coverage gap
- 56°
- Stations used
- 26
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.9 and up: 3 in the 60 days after this one and 4 in the 30 days before it.
After
- 4.8162 km ESE of Hihifo, Tonga · 2025 days ago · 10 km deep · 67 km away
- 4.8220 km SE of Hihifo, Tonga · 2015 days ago · 10 km deep · 41 km away
- 4.6179 km SE of Hihifo, Tonga · 2007 days ago · 10 km deep · 14 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us6000dg03. Read Wed, Sep 30, 2026, 4:13 PM UTC.