M5.0 earthquake 119 km ESE of Neiafu, Tonga
A magnitude 5.0 earthquake struck 119 km ESE of Neiafu, Tonga on Sun, May 7, 2017, 9:08 PM GMT+13 (08:08 UTC), 10 km (6 mi) below the surface.
A larger quake followed: M5.1 136 km E 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
- 5.0 (mb, body-wave), moderate
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2017-05-07 08:08:35 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 18.876° S, 172.876° W
- Region
- Tonga
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Magnitude estimates
Different scales measure different things and differ by a few tenths. The USGS marks one as preferred, and it is the one this page uses.
| Mag. | Scale | Computed by | Notes |
|---|---|---|---|
| 5.0 | mb, body-wave | USGS National Earthquake Information Center | Preferred · Reviewed · ±0.063 · 80 stations |
| 4.99 | Mw, moment | ISC-GEM global catalog | Final · ±0.1 |
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 7.4 km horizontally, 1.7 km in depth
- Magnitude uncertainty
- ±0.06
- Depth from
- Operator assigned
- Station coverage gap
- 77°
- Stations used
- 52
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 2.0 and up: 5 in the 60 days after this one and 1 in the 30 days before it.
After
- 5.1136 km E of Neiafu, Tonga · 3409 days ago · 10 km deep · 27 km away
- 4.7Tonga region · 3406 days ago · 10 km deep · 16 km away
- 4.691 km E of Neiafu, Tonga · 3403 days ago · 64 km deep · 41 km away
- 4.7196 km E of Neiafu, Tonga · 3400 days ago · 29 km deep · 82 km away
- 4.3122 km E of Neiafu, Tonga · 3388 days ago · 10 km deep · 33 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us10008q9i (also filed as iscgem610618931). Read Sat, Oct 3, 2026, 7:56 PM UTC.