M4.9 earthquake 67 km WNW of Neiafu, Tonga
A magnitude 4.9 earthquake struck 67 km WNW of Neiafu, Tonga on Tue, May 29, 2018, 1:30 PM GMT+13 (00:30 UTC), 94 km (58 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.9 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2018-05-29 00:30:51 UTC
- Depth
- 93.9 km (58.3 mi), intermediate-depth
- Epicenter
- 18.518° S, 174.607° W
- Region
- Tonga
- Felt reports
- 1
- 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 |
|---|---|---|---|
| 4.9 | mb, body-wave | USGS National Earthquake Information Center | Preferred · Reviewed · ±0.031 · 335 stations |
| 4.96 | Mw, moment | ISC-GEM global catalog | Final · ±0.1 |
Did you feel it?
1 person reported to the USGS what they felt; the strongest reported shaking was III, weak shaking.
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 8.5 km horizontally, 6.8 km in depth
- Magnitude uncertainty
- ±0.03
- Depth from
- From location
- Station coverage gap
- 42°
- Stations used
- 359
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.9 and up: 6 in the 60 days after this one and 3 in the 30 days before it.
After
- 4.941 km W of Neiafu, Tonga · 3039 days ago · 58 km deep · 31 km away
- 4.346 km W of Neiafu, Tonga · 3037 days ago · 166 km deep · 21 km away
- 4.688 km NNW of Neiafu, Tonga · 3034 days ago · 60 km deep · 62 km away
- 4.1143 km NW of Neiafu, Tonga · 3018 days ago · 233 km deep · 90 km away
- 4.860 km W of Neiafu, Tonga · 3015 days ago · 111 km deep · 16 km away
- 4.4101 km WSW of Neiafu, Tonga · 2990 days ago · 107 km deep · 53 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us1000edp4 (also filed as iscgem611955276). Read Thu, Oct 1, 2026, 11:41 PM UTC.