M4.5 earthquake 77 km WNW of Neiafu, Tonga
A magnitude 4.5 earthquake struck 77 km WNW of Neiafu, Tonga on Thu, May 11, 2017, 9:18 PM GMT+13 (08:18 UTC), 94 km (59 mi) below the surface.
A larger quake followed: M4.7 84 km NW 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
- 4.5 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2017-05-11 08:18:20 UTC
- Depth
- 94.5 km (58.7 mi), intermediate-depth
- Epicenter
- 18.329° S, 174.637° 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 11.8 km horizontally, 8.0 km in depth
- Magnitude uncertainty
- ±0.09
- Depth from
- From location
- Station coverage gap
- 99°
- Stations used
- 40
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 4 in the 60 days after this one and 2 in the 30 days before it.
After
- 4.4133 km NW of Neiafu, Tonga · 3421 days ago · 222 km deep · 60 km away
- 4.784 km NW of Neiafu, Tonga · 3399 days ago · 10 km deep · 41 km away
- 4.2156 km NNW of Neiafu, Tonga · 3392 days ago · 240 km deep · 99 km away
- 4.4156 km WNW of Neiafu, Tonga · 3392 days ago · 211 km deep · 79 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us10008rfw. Read Fri, Oct 2, 2026, 3:05 AM UTC.