M6.0 earthquake 115 km NNE of Hihifo, Tonga
A magnitude 6.0 earthquake struck 115 km NNE of Hihifo, Tonga on Mon, Jul 11, 2016, 2:44 AM GMT+13 (13:44 UTC), 8 km (5 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 6.0 (Mww, W-phase moment), strong
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2016-07-10 13:44:40 UTC
- Depth
- 8.0 km (5.0 mi), shallow
- Epicenter
- 15.083° S, 173.201° W
- Region
- Tonga
- Strongest shaking
- IV, light shaking
- PAGER alert
- Green
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Magnitude estimates
Different scales measure different things and differ by a few tenths. The USGS marks one as preferred, and it is the one this page uses.
| Mag. | Scale | Computed by | Notes |
|---|---|---|---|
| 6.0 | Mww, W-phase moment | USGS National Earthquake Information Center | Preferred · Reviewed |
| 5.93 | Mw, moment | ISC-GEM global catalog | Final · ±0.1 |
| 5.8 | Mwb, body-wave moment | USGS National Earthquake Information Center | Moment tensor · Reviewed |
Shaking
The USGS ShakeMap: shaking estimated from seismic stations and the quake’s size, on the Modified Mercalli intensity scale.
- Strongest estimated
- IV, light shaking
- Map
- Automatic

Did you feel it?
No one has reported feeling this quake to the USGS.

Estimated impact
The USGS PAGER system estimates deaths and economic losses from the shaking and the population and buildings exposed to it.
- Alert level
- Green: little or no damage or loss of life expected
Fault motion and ground failure
How the rock slipped, from the moment tensor, and the USGS estimate of landslides and liquefaction.
- Faulting
- Oblique reverse
- Moment magnitude
- 6.0 Mww
- Nodal plane 1
- Strike 13°, dip 82°, rake 126°
- Nodal plane 2
- Strike 113°, dip 37°, rake 13°
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 9.1 km horizontally, 1.8 km in depth
- Depth from
- Operator assigned
- Station coverage gap
- 35°
- Stations used
- 234
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 3.0 and up: 5 in the 60 days after this one and 8 in the 30 days before it.
After
- 5.992 km N of Hihifo, Tonga · 3725 days ago · 37 km deep · 51 km away · felt by 10
- 4.888 km NE of Hihifo, Tonga · 3721 days ago · 21 km deep · 41 km away
- 4.7104 km NNE of Hihifo, Tonga · 3702 days ago · 10 km deep · 12 km away
- 4.462 km N of Hihifo, Tonga · 3701 days ago · 10 km deep · 80 km away
- 4.5131 km ENE of Hihifo, Tonga · 3680 days ago · 70 km deep · 82 km away
Before
- 5.8142 km NE of Hihifo, Tonga · 3738 days ago · 8 km deep · 35 km away
- 4.668 km N of Hihifo, Tonga · 3739 days ago · 67 km deep · 78 km away
- 4.7141 km NE of Hihifo, Tonga · 3746 days ago · 40 km deep · 29 km away
- 4.6135 km NNE of Hihifo, Tonga · 3746 days ago · 30 km deep · 22 km away
- 4.687 km NE of Hihifo, Tonga · 3747 days ago · 20 km deep · 37 km away
- 4.5103 km NE of Hihifo, Tonga · 3765 days ago · 10 km deep · 28 km away
- 4.468 km NNW of Hihifo, Tonga · 3766 days ago · 70 km deep · 97 km away
- 4.8114 km ENE of Hihifo, Tonga · 3768 days ago · 22 km deep · 64 km away
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us100062ea (also filed as gcmt20160710134441, iscgem609350588). Read Sun, Oct 4, 2026, 7:51 PM UTC.