M4.4 earthquake 225 km SW of ‘Ohonua, Tonga
A magnitude 4.4 earthquake struck 225 km SW of ‘Ohonua, Tonga on Wed, Oct 3, 2018, 5:02 PM GMT+13 (04:02 UTC), 63 km (39 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
- 4.4 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2018-10-03 04:02:01 UTC
- Depth
- 62.5 km (38.9 mi), shallow
- Epicenter
- 23.024° S, 176.172° 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 6.7 km horizontally, 3.1 km in depth
- Magnitude uncertainty
- ±0.12
- Depth from
- From location
- Station coverage gap
- 115°
- Stations used
- 27
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 4 in the 60 days after this one and 1 in the 30 days before it.
After
- 4.7214 km SW of ‘Ohonua, Tonga · 2917 days ago · 60 km deep · 11 km away
- 4.4181 km SW of Vaini, Tonga · 2903 days ago · 155 km deep · 95 km away
- 4.3199 km SW of Vaini, Tonga · 2899 days ago · 303 km deep · 89 km away
- 4.8192 km SW of ‘Ohonua, Tonga · 2868 days ago · 40 km deep · 34 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us1000h9zz. Read Fri, Oct 2, 2026, 1:17 AM UTC.