M4.0 earthquake 112 km SW of Hihifo, Tonga
A magnitude 4.0 earthquake struck 112 km SW of Hihifo, Tonga on Thu, Nov 25, 2021, 11:45 AM GMT-12 (23:45 UTC), 190 km (118 mi) below the surface.
A larger quake followed: M4.9 109 km W 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
- 4.0 (mb), light
- Local time
- UTC
- 2021-11-25 23:45:05 UTC
- Depth
- 190.2 km (118.2 mi), intermediate-depth
- Epicenter
- 16.673° S, 174.539° 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 11.6 km horizontally, 9.2 km in depth
- Magnitude uncertainty
- ±0.21
- Depth from
- From location
- Station coverage gap
- 77°
- Stations used
- 14
Nearby
Within 100 km, magnitude 1.5 and up: 10 in the 60 days after this one and 2 in the 30 days before it.
After
- 4.6120 km SSW of Hihifo, Tonga · 1752 days ago · 89 km deep · 53 km away
- 4.6126 km WSW of Hihifo, Tonga · 1748 days ago · 284 km deep · 61 km away
- 4.9109 km W of Hihifo, Tonga · 1734 days ago · 284 km deep · 76 km away
- 4.6126 km SSW of Hihifo, Tonga · 1733 days ago · 61 km deep · 52 km away
- 4.3120 km SSW of Hihifo, Tonga · 1727 days ago · 124 km deep · 60 km away
- 4.277 km SW of Hihifo, Tonga · 1725 days ago · 124 km deep · 36 km away
- 4.493 km SSW of Hihifo, Tonga · 1725 days ago · 112 km deep · 52 km away
- 4.6137 km N of Neiafu, Tonga · 1718 days ago · 109 km deep · 94 km away · felt by 1
- 4.355 km SW of Hihifo, Tonga · 1717 days ago · 144 km deep · 57 km away
- 4.6151 km SSW of Hihifo, Tonga · 1715 days ago · 69 km deep · 73 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us6000g7yi. Read Wed, Sep 30, 2026, 6:58 AM UTC.