M4.6 earthquake 56 km ENE of Neiafu, Tonga
A magnitude 4.6 earthquake struck 56 km ENE of Neiafu, Tonga on Sat, Apr 9, 2016, 10:17 PM GMT+13 (09:17 UTC), 10 km (6 mi) below the surface.
A larger quake followed: M5.7 133 km NE of Neiafu, Tonga. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.6 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2016-04-09 09:17:56 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 18.499° S, 173.477° 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 6.2 km horizontally, 1.9 km in depth
- Magnitude uncertainty
- ±0.13
- Depth from
- Operator assigned
- Station coverage gap
- 80°
- Stations used
- 29
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.6 and up: 5 in the 60 days after this one and 3 in the 30 days before it.
After
- 4.6114 km ESE of Neiafu, Tonga · 3827 days ago · 10 km deep · 76 km away
- 4.631 km NNE of Neiafu, Tonga · 3824 days ago · 10 km deep · 39 km away
- 5.7133 km NE of Neiafu, Tonga · 3816 days ago · 27 km deep · 94 km away
- 4.678 km ENE of Neiafu, Tonga · 3800 days ago · 10 km deep · 22 km away
- 4.5114 km NE of Neiafu, Tonga · 3774 days ago · 35 km deep · 73 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us20005ijr. Read Mon, Oct 5, 2026, 11:57 AM UTC.