M5.0 earthquake 28 km E of Neiafu, Tonga
A magnitude 5.0 earthquake struck 28 km E of Neiafu, Tonga on Fri, Feb 2, 2018, 11:22 PM GMT+13 (10:22 UTC), 10 km (6 mi) below the surface.
A larger quake followed: M5.2 51 km W 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
- 2018-02-02 10:22:06 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 18.604° S, 173.717° W
- Region
- Tonga
- Felt reports
- 1
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Did you feel it?
1 person reported to the USGS what they felt; the strongest reported shaking was V, moderate shaking.
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 10.2 km horizontally, 1.8 km in depth
- Magnitude uncertainty
- ±0.04
- Depth from
- Operator assigned
- Station coverage gap
- 41°
- Stations used
- 212
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 2.0 and up: 3 in the 60 days after this one and 3 in the 30 days before it.
After
- 4.280 km N of Neiafu, Tonga · 3136 days ago · 10 km deep · 82 km away
- 5.251 km W of Neiafu, Tonga · 3128 days ago · 81 km deep · 79 km away
- 4.722 km S of Neiafu, Tonga · 3105 days ago · 10 km deep · 40 km away · felt by 1
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us1000ce8z. Read Fri, Oct 2, 2026, 2:11 AM UTC.