M4.1 earthquake 115 km ENE of Hihifo, Tonga
A magnitude 4.1 earthquake struck 115 km ENE of Hihifo, Tonga on Thu, Sep 22, 2016, 6:40 PM GMT+13 (05:40 UTC), 81 km (50 mi) below the surface.
A larger quake followed: M5.0 77 km E 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
- 4.1 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2016-09-22 05:40:43 UTC
- Depth
- 81.1 km (50.4 mi), intermediate-depth
- Epicenter
- 15.493° S, 172.828° 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 10.2 km horizontally, 16.9 km in depth
- Magnitude uncertainty
- ±0.17
- Depth from
- From location
- Station coverage gap
- 136°
- Stations used
- 18
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 7 in the 60 days after this one and 1 in the 30 days before it.
After
- 4.298 km NNE of Hihifo, Tonga · 3656 days ago · 10 km deep · 70 km away
- 5.077 km E of Hihifo, Tonga · 3656 days ago · 10 km deep · 72 km away
- 4.1106 km NNE of Hihifo, Tonga · 3650 days ago · 32 km deep · 75 km away
- 4.4162 km ENE of Hihifo, Tonga · 3642 days ago · 10 km deep · 47 km away
- 4.457 km NE of Hihifo, Tonga · 3627 days ago · 57 km deep · 67 km away
- 5.073 km E of Hihifo, Tonga · 3615 days ago · 10 km deep · 64 km away
- 4.7116 km NE of Hihifo, Tonga · 3605 days ago · 39 km deep · 26 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us10006u45. Read Sun, Oct 4, 2026, 12:44 PM UTC.