M4.3 earthquake 119 km W of Hihifo, Tonga
A magnitude 4.3 earthquake struck 119 km W of Hihifo, Tonga on Wed, Feb 17, 2021, 2:42 AM GMT-12 (14:42 UTC), 290 km (180 mi) below the surface.
A larger quake followed: M4.6 172 km WNW 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
- 4.3 (mb), light
- Local time
- UTC
- 2021-02-17 14:42:26 UTC
- Depth
- 290.1 km (180.3 mi), intermediate-depth
- Epicenter
- 15.981° S, 174.916° 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 13.2 km horizontally, 14.1 km in depth
- Magnitude uncertainty
- ±0.16
- Depth from
- From location
- Station coverage gap
- 116°
- Stations used
- 17
Nearby
Within 100 km, magnitude 1.5 and up: 5 in the 60 days after this one and 3 in the 30 days before it.
After
- 4.4109 km W of Hihifo, Tonga · 2029 days ago · 132 km deep · 11 km away
- 4.323 km W of Hihifo, Tonga · 2022 days ago · 110 km deep · 96 km away
- 4.0115 km W of Hihifo, Tonga · 2012 days ago · 255 km deep · 5 km away
- 4.6172 km WNW of Hihifo, Tonga · 2012 days ago · 274 km deep · 77 km away
- 4.1111 km WSW of Hihifo, Tonga · 1994 days ago · 298 km deep · 45 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us6000dkeu. Read Wed, Sep 30, 2026, 4:49 AM UTC.