M4.6 earthquake 137 km SE of Neiafu, Tonga
A magnitude 4.6 earthquake struck 137 km SE of Neiafu, Tonga on Thu, Aug 24, 2017, 7:37 PM GMT+13 (06:37 UTC), 10 km (6 mi) below the surface.
A larger quake followed: M4.8 112 km ESE 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
- 2017-08-24 06:37:19 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 19.448° S, 172.989° 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 7.5 km horizontally, 1.9 km in depth
- Magnitude uncertainty
- ±0.13
- Depth from
- Operator assigned
- Station coverage gap
- 134°
- Stations used
- 24
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
- 4.7151 km ESE of Pangai, Tonga · 3328 days ago · 10 km deep · 99 km away
- 4.6135 km ESE of Pangai, Tonga · 3317 days ago · 10 km deep · 87 km away
- 4.8112 km ESE of Pangai, Tonga · 3309 days ago · 10 km deep · 84 km away
- 4.5119 km E of Pangai, Tonga · 3304 days ago · 10 km deep · 50 km away
- 4.4144 km E of Pangai, Tonga · 3271 days ago · 10 km deep · 37 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us2000acun. Read Sun, Oct 4, 2026, 6:42 PM UTC.