M5.2 earthquake 165 km WNW of Hihifo, Tonga
A magnitude 5.2 earthquake struck 165 km WNW of Hihifo, Tonga on Mon, Oct 10, 2016, 1:16 AM GMT-12 (13:16 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
- 5.2 (mb, body-wave), moderate
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2016-10-10 13:16:11 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 15.281° S, 175.174° 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 |
|---|---|---|---|
| 5.2 | mb, body-wave | USGS National Earthquake Information Center | Preferred · Reviewed · ±0.082 · 49 stations |
| 5.23 | 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 8.9 km horizontally, 1.8 km in depth
- Magnitude uncertainty
- ±0.08
- Depth from
- Operator assigned
- Station coverage gap
- 60°
- Stations used
- 65
Nearby
Within 100 km, magnitude 2.2 and up: 3 in the 60 days after this one and 4 in the 30 days before it.
After
- 5.8127 km WNW of Hihifo, Tonga · 3630 days ago · 10 km deep · 39 km away
- 6.1127 km WNW of Hihifo, Tonga · 3629 days ago · 10 km deep · 38 km away
- 4.5119 km WNW of Hihifo, Tonga · 3600 days ago · 56 km deep · 48 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us20007d2t (also filed as iscgem609585337). Read Sat, Oct 3, 2026, 4:00 PM UTC.