M4.6 earthquake 117 km ESE of Neiafu, Tonga
A magnitude 4.6 earthquake struck 117 km ESE of Neiafu, Tonga on Mon, Jul 17, 2017, 4:13 PM GMT+13 (03:13 UTC), 10 km (6 mi) below the surface.
A larger quake followed: M5.4 111 km E of Pangai, 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
- 2017-07-17 03:13:21 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 19.078° S, 172.959° 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 9.3 km horizontally, 1.9 km in depth
- Magnitude uncertainty
- ±0.12
- Depth from
- Operator assigned
- Station coverage gap
- 78°
- Stations used
- 27
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.6 and up: 4 in the 60 days after this one and 1 in the 30 days before it.
After
- 5.4111 km E of Pangai, Tonga · 3349 days ago · 10 km deep · 99 km away · felt by 1
- 4.4125 km E of Pangai, Tonga · 3338 days ago · 10 km deep · 74 km away
- 4.9110 km ENE of Neiafu, Tonga · 3331 days ago · 10 km deep · 79 km away
- 4.6137 km SE of Neiafu, Tonga · 3328 days ago · 10 km deep · 41 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us20009yzm. Read Sun, Oct 4, 2026, 12:39 PM UTC.