M4.3 earthquake 150 km W of Hihifo, Tonga
A magnitude 4.3 earthquake struck 150 km W of Hihifo, Tonga on Tue, Jul 13, 2021, 8:35 AM GMT-12 (20:35 UTC), 128 km (79 mi) below the surface.
A larger quake followed: M4.4 121 km WSW 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
- 2021-07-13 20:35:05 UTC
- Depth
- 127.6 km (79.3 mi), intermediate-depth
- Epicenter
- 16.039° S, 175.204° 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 19.0 km horizontally, 9.6 km in depth
- Magnitude uncertainty
- ±0.20
- Depth from
- From location
- Station coverage gap
- 137°
- Stations used
- 13
Nearby
Within 100 km, magnitude 1.5 and up: 2 in the 60 days after this one and 6 in the 30 days before it.
After
- 4.4121 km WSW of Hihifo, Tonga · 1885 days ago · 273 km deep · 50 km away
- 4.2230 km WSW of Hihifo, Tonga · 1866 days ago · 346 km deep · 84 km away
Before
- 4.6198 km WNW of Hihifo, Tonga · 1905 days ago · 10 km deep · 84 km away
- 4.4163 km WSW of Hihifo, Tonga · 1905 days ago · 10 km deep · 34 km away
- 4.1177 km WSW of Hihifo, Tonga · 1910 days ago · 271 km deep · 62 km away
- 4.1226 km W of Hihifo, Tonga · 1913 days ago · 387 km deep · 76 km away
- 4.3126 km WNW of Hihifo, Tonga · 1919 days ago · 249 km deep · 79 km away
- 4.4114 km W of Hihifo, Tonga · 1930 days ago · 323 km deep · 37 km away
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us7000emle. Read Wed, Sep 30, 2026, 10:32 AM UTC.