M4.7 earthquake 184 km NNW of Neiafu, Tonga
A magnitude 4.7 earthquake struck 184 km NNW of Neiafu, Tonga on Mon, Jan 16, 2017, 3:02 AM GMT-12 (15:02 UTC), 229 km (142 mi) below the surface.
A larger quake followed: M5.1 145 km SSW 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
- 4.7 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2017-01-16 15:02:04 UTC
- Depth
- 228.5 km (142.0 mi), intermediate-depth
- Epicenter
- 17.266° S, 174.951° 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 8.0 km horizontally, 12.6 km in depth
- Magnitude uncertainty
- ±0.13
- Depth from
- From location
- Station coverage gap
- 86°
- Stations used
- 23
Nearby
Within 100 km, magnitude 1.7 and up: 9 in the 60 days after this one and 2 in the 30 days before it.
After
- 5.1145 km SSW of Hihifo, Tonga · 3543 days ago · 110 km deep · 94 km away
- 4.7136 km SSW of Hihifo, Tonga · 3530 days ago · 117 km deep · 84 km away · felt by 1
- 4.2173 km NW of Neiafu, Tonga · 3520 days ago · 195 km deep · 42 km away
- 4.4152 km WSW of Hihifo, Tonga · 3519 days ago · 10 km deep · 80 km away
- 4.394 km SW of Hihifo, Tonga · 3518 days ago · 176 km deep · 96 km away
- 4.3113 km SSW of Hihifo, Tonga · 3517 days ago · 89 km deep · 87 km away
- 4.5131 km NW of Neiafu, Tonga · 3503 days ago · 196 km deep · 54 km away
- 4.2180 km NW of Neiafu, Tonga · 3499 days ago · 289 km deep · 12 km away
- 4.7121 km N of Neiafu, Tonga · 3496 days ago · 57 km deep · 98 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us10007tiz. Read Sat, Oct 3, 2026, 6:49 AM UTC.