M4.7 earthquake 214 km SW of ‘Ohonua, Tonga
A magnitude 4.7 earthquake struck 214 km SW of ‘Ohonua, Tonga on Sun, Oct 7, 2018, 3:29 PM GMT+13 (02:29 UTC), 60 km (38 mi) below the surface.
A larger quake followed: M4.8 192 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
- 4.7 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2018-10-07 02:29:51 UTC
- Depth
- 60.4 km (37.5 mi), shallow
- Epicenter
- 22.936° S, 176.125° 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 13.8 km horizontally, 3.7 km in depth
- Magnitude uncertainty
- ±0.11
- Depth from
- From location
- Station coverage gap
- 135°
- Stations used
- 30
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.7 and up: 4 in the 60 days after this one and 2 in the 30 days before it.
After
- 4.4181 km SW of Vaini, Tonga · 2903 days ago · 155 km deep · 88 km away
- 4.3199 km SW of Vaini, Tonga · 2899 days ago · 303 km deep · 84 km away
- 4.8192 km SW of ‘Ohonua, Tonga · 2868 days ago · 40 km deep · 23 km away
- 4.8124 km SW of ‘Ohonua, Tonga · 2865 days ago · 96 km deep · 92 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us1000hb3d. Read Thu, Oct 1, 2026, 8:50 PM UTC.