M4.4 earthquake 113 km N of Neiafu, Tonga
A magnitude 4.4 earthquake struck 113 km N of Neiafu, Tonga on Fri, May 25, 2018, 7:37 AM GMT-12 (19:37 UTC), 167 km (104 mi) below the surface.
A larger quake followed: M4.6 88 km NNW 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
- 4.4 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2018-05-25 19:37:35 UTC
- Depth
- 167.4 km (104.0 mi), intermediate-depth
- Epicenter
- 17.630° S, 173.971° 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 8.7 km horizontally, 14.6 km in depth
- Magnitude uncertainty
- ±0.24
- Depth from
- From location
- Station coverage gap
- 122°
- Stations used
- 10
Nearby
Within 100 km, magnitude 1.5 and up: 2 in the 60 days after this one and 4 in the 30 days before it.
After
- 4.688 km NNW of Neiafu, Tonga · 3034 days ago · 60 km deep · 64 km away
- 4.6138 km NNW of Neiafu, Tonga · 3020 days ago · 83 km deep · 55 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us1000eek8. Read Fri, Oct 2, 2026, 9:49 AM UTC.