M4.5 earthquake 141 km WNW of Hihifo, Tonga
A magnitude 4.5 earthquake struck 141 km WNW of Hihifo, Tonga on Tue, Oct 11, 2016, 12:42 AM GMT+14 (10:42 UTC), 10 km (6 mi) below the surface.
A larger quake followed: M6.1 127 km WNW 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
- 2016-10-10 10:42:57 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 15.509° S, 175.036° W
- Region
- Tonga
- 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 |
|---|---|---|---|
| 4.5 | mb, body-wave | USGS National Earthquake Information Center | Preferred · Reviewed · ±0.181 · 14 stations |
| 5.2 | Mw, moment | ISC-GEM global catalog | Final · ±0.1 |
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 13.8 km horizontally, 1.9 km in depth
- Magnitude uncertainty
- ±0.18
- Depth from
- Operator assigned
- Station coverage gap
- 145°
- Stations used
- 19
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 5 in the 60 days after this one and 3 in the 30 days before it.
After
- 5.2165 km WNW of Hihifo, Tonga · 3645 days ago · 10 km deep · 29 km away
- 5.8127 km WNW of Hihifo, Tonga · 3630 days ago · 10 km deep · 26 km away
- 6.1127 km WNW of Hihifo, Tonga · 3629 days ago · 10 km deep · 20 km away
- 4.282 km NNW of Hihifo, Tonga · 3628 days ago · 102 km deep · 93 km away
- 4.5119 km WNW of Hihifo, Tonga · 3600 days ago · 56 km deep · 36 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us20007d2u (also filed as iscgem609915103). Read Sat, Oct 3, 2026, 4:00 PM UTC.