M4.5 earthquake 121 km NNE of Hihifo, Tonga
A magnitude 4.5 earthquake struck 121 km NNE of Hihifo, Tonga on Fri, Sep 16, 2016, 12:35 AM GMT+13 (11:35 UTC), 19 km (12 mi) below the surface.
A larger quake followed: M5.0 118 km NNW 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
- 4.5 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2016-09-15 11:35:14 UTC
- Depth
- 19.1 km (11.8 mi), shallow
- Epicenter
- 14.884° S, 173.545° 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 9.6 km horizontally, 4.7 km in depth
- Magnitude uncertainty
- ±0.13
- Depth from
- From location
- Station coverage gap
- 119°
- Stations used
- 28
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 8 in the 60 days after this one and 0 in the 30 days before it.
After
- 4.298 km NNE of Hihifo, Tonga · 3655 days ago · 10 km deep · 35 km away
- 4.1106 km NNE of Hihifo, Tonga · 3649 days ago · 32 km deep · 28 km away
- 5.0118 km NNW of Hihifo, Tonga · 3647 days ago · 10 km deep · 87 km away
- 4.436 km NNW of Hihifo, Tonga · 3638 days ago · 102 km deep · 93 km away
- 4.2131 km SW of Gataivai, Samoa · 3634 days ago · 33 km deep · 44 km away
- 4.282 km NNW of Hihifo, Tonga · 3628 days ago · 102 km deep · 84 km away
- 4.457 km NE of Hihifo, Tonga · 3626 days ago · 57 km deep · 76 km away
- 4.7125 km N of Hihifo, Tonga · 3620 days ago · 10 km deep · 41 km away
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us10006ps6. Read Sat, Oct 3, 2026, 2:04 PM UTC.