M4.3 earthquake 127 km NNE of Hihifo, Tonga
A magnitude 4.3 earthquake struck 127 km NNE of Hihifo, Tonga on Mon, May 24, 2021, 6:34 PM GMT+13 (05:34 UTC), 10 km (6 mi) below the surface.
A larger quake followed: M4.7 106 km N 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
- 2021-05-24 05:34:37 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 14.838° S, 173.502° 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 11.8 km horizontally, 1.9 km in depth
- Magnitude uncertainty
- ±0.20
- Depth from
- Operator assigned
- Station coverage gap
- 119°
- Stations used
- 13
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 6 in the 30 days before it.
After
- 4.5136 km NNE of Hihifo, Tonga · 1945 days ago · 10 km deep · 9 km away
- 4.5111 km ENE of Hihifo, Tonga · 1944 days ago · 10 km deep · 92 km away
- 4.7106 km N of Hihifo, Tonga · 1916 days ago · 10 km deep · 26 km away
- 4.690 km NNE of Hihifo, Tonga · 1912 days ago · 10 km deep · 39 km away
- 4.5108 km NE of Hihifo, Tonga · 1901 days ago · 10 km deep · 54 km away
Before
- 4.6126 km NNE of Hihifo, Tonga · 1961 days ago · 10 km deep · 41 km away
- 4.766 km N of Hihifo, Tonga · 1969 days ago · 22 km deep · 65 km away
- 4.679 km ENE of Hihifo, Tonga · 1969 days ago · 10 km deep · 95 km away
- 4.650 km NNE of Hihifo, Tonga · 1974 days ago · 69 km deep · 78 km away
- 4.592 km NNE of Hihifo, Tonga · 1981 days ago · 29 km deep · 36 km away
- 4.6Samoa Islands region · 1984 days ago · 10 km deep · 31 km away
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us6000efhs. Read Wed, Sep 30, 2026, 12:59 PM UTC.