M4.5 earthquake 232 km SW of Vaini, Tonga
A magnitude 4.5 earthquake struck 232 km SW of Vaini, Tonga on Wed, Sep 12, 2018, 3:26 AM GMT+13 (14:26 UTC), 159 km (99 mi) below the surface.
A larger quake followed: M4.7 214 km SW of ‘Ohonua, 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
- 2018-09-11 14:26:15 UTC
- Depth
- 159.4 km (99.0 mi), intermediate-depth
- Epicenter
- 22.574° S, 176.877° 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 13.6 km horizontally, 5.5 km in depth
- Magnitude uncertainty
- ±0.10
- Depth from
- From location
- Station coverage gap
- 117°
- Stations used
- 36
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 7 in the 60 days after this one and 1 in the 30 days before it.
After
- 4.6152 km SW of Haveluloto, Tonga · 2930 days ago · 143 km deep · 85 km away
- 4.4225 km SW of ‘Ohonua, Tonga · 2920 days ago · 63 km deep · 88 km away
- 4.6140 km SW of Haveluloto, Tonga · 2920 days ago · 188 km deep · 94 km away
- 4.7214 km SW of ‘Ohonua, Tonga · 2917 days ago · 60 km deep · 87 km away
- 4.4181 km SW of Vaini, Tonga · 2903 days ago · 155 km deep · 52 km away
- 4.3199 km SW of Vaini, Tonga · 2898 days ago · 303 km deep · 33 km away
- 4.3297 km WSW of Haveluloto, Tonga · 2895 days ago · 350 km deep · 93 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us2000hh6c. Read Thu, Oct 1, 2026, 2:51 PM UTC.