M4.3 earthquake 199 km SW of Vaini, Tonga
A magnitude 4.3 earthquake struck 199 km SW of Vaini, Tonga on Thu, Oct 25, 2018, 5:17 PM GMT+13 (04:17 UTC), 303 km (188 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
- 4.3 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2018-10-25 04:17:57 UTC
- Depth
- 302.8 km (188.2 mi), deep
- Epicenter
- 22.361° S, 176.649° 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 15.2 km horizontally, 9.2 km in depth
- Magnitude uncertainty
- ±0.11
- Depth from
- From location
- Station coverage gap
- 150°
- Stations used
- 24
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 5 in the 60 days after this one and 4 in the 30 days before it.
After
- 4.3181 km WSW of Haveluloto, Tonga · 2883 days ago · 309 km deep · 87 km away
- 4.8192 km SW of ‘Ohonua, Tonga · 2868 days ago · 40 km deep · 76 km away
- 4.8124 km SW of ‘Ohonua, Tonga · 2865 days ago · 96 km deep · 98 km away
- 4.3133 km SW of Haveluloto, Tonga · 2856 days ago · 190 km deep · 67 km away
- 4.1200 km WSW of Haveluloto, Tonga · 2847 days ago · 275 km deep · 93 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us2000i4lv. Read Thu, Oct 1, 2026, 4:50 PM UTC.