M4.3 earthquake 128 km NW of Neiafu, Tonga
A magnitude 4.3 earthquake struck 128 km NW of Neiafu, Tonga on Thu, May 3, 2018, 12:15 PM GMT+13 (23:15 UTC), 187 km (116 mi) below the surface.
A larger quake followed: M4.9 67 km WNW 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
- 4.3 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2018-05-02 23:15:55 UTC
- Depth
- 187.2 km (116.3 mi), intermediate-depth
- Epicenter
- 17.754° S, 174.757° 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 11.6 km horizontally, 6.0 km in depth
- Magnitude uncertainty
- ±0.13
- Depth from
- From location
- Station coverage gap
- 97°
- Stations used
- 20
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 8 in the 60 days after this one and 3 in the 30 days before it.
After
- 4.3137 km SSW of Hihifo, Tonga · 3064 days ago · 134 km deep · 88 km away
- 4.7127 km NW of Neiafu, Tonga · 3063 days ago · 205 km deep · 18 km away
- 4.4113 km N of Neiafu, Tonga · 3051 days ago · 167 km deep · 84 km away
- 4.967 km WNW of Neiafu, Tonga · 3048 days ago · 94 km deep · 86 km away · felt by 1
- 4.346 km W of Neiafu, Tonga · 3038 days ago · 166 km deep · 100 km away
- 4.688 km NNW of Neiafu, Tonga · 3034 days ago · 60 km deep · 41 km away
- 4.6138 km NNW of Neiafu, Tonga · 3020 days ago · 83 km deep · 43 km away
- 4.1143 km NW of Neiafu, Tonga · 3018 days ago · 233 km deep · 28 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us1000e1cx. Read Fri, Oct 2, 2026, 4:37 AM UTC.