M4.2 earthquake 180 km NW of Neiafu, Tonga
A magnitude 4.2 earthquake struck 180 km NW of Neiafu, Tonga on Sun, Mar 5, 2017, 1:29 AM GMT-12 (13:29 UTC), 289 km (180 mi) below the surface.
A larger quake followed: M4.4 151 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
- 4.2 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2017-03-05 13:29:01 UTC
- Depth
- 289.3 km (179.8 mi), intermediate-depth
- Epicenter
- 17.353° S, 175.023° 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 21.3 km horizontally, 17.4 km in depth
- Magnitude uncertainty
- ±0.12
- Depth from
- From location
- Station coverage gap
- 191°, poorly surrounded by stations
- Stations used
- 21
Nearby
Within 100 km, magnitude 1.5 and up: 5 in the 60 days after this one and 4 in the 30 days before it.
After
- 4.3149 km NW of Neiafu, Tonga · 3477 days ago · 219 km deep · 32 km away
- 4.4151 km SSW of Hihifo, Tonga · 3456 days ago · 104 km deep · 80 km away
- 4.4150 km N of Neiafu, Tonga · 3451 days ago · 126 km deep · 90 km away
- 4.4157 km SSW of Hihifo, Tonga · 3441 days ago · 157 km deep · 56 km away
- 4.4145 km NW of Neiafu, Tonga · 3441 days ago · 244 km deep · 43 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us100088nz. Read Fri, Oct 2, 2026, 3:48 PM UTC.