M4.9 earthquake 230 km SW of Haveluloto, Tonga
A magnitude 4.9 earthquake struck 230 km SW of Haveluloto, Tonga on Thu, Aug 30, 2018, 8:57 PM GMT+13 (07:57 UTC), 182 km (113 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.9 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2018-08-30 07:57:01 UTC
- Depth
- 181.7 km (112.9 mi), intermediate-depth
- Epicenter
- 22.501° S, 176.908° 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 13.0 km horizontally, 7.2 km in depth
- Magnitude uncertainty
- ±0.07
- Depth from
- From location
- Station coverage gap
- 120°
- Stations used
- 76
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.9 and up: 8 in the 60 days after this one and 1 in the 30 days before it.
After
- 4.5232 km SW of Vaini, Tonga · 2942 days ago · 159 km deep · 9 km away
- 4.6152 km SW of Haveluloto, Tonga · 2930 days ago · 143 km deep · 80 km away
- 4.4225 km SW of ‘Ohonua, Tonga · 2920 days ago · 63 km deep · 95 km away
- 4.6140 km SW of Haveluloto, Tonga · 2920 days ago · 188 km deep · 90 km away
- 4.7214 km SW of ‘Ohonua, Tonga · 2917 days ago · 60 km deep · 94 km away
- 4.4181 km SW of Vaini, Tonga · 2903 days ago · 155 km deep · 49 km away
- 4.3199 km SW of Vaini, Tonga · 2898 days ago · 303 km deep · 31 km away
- 4.3297 km WSW of Haveluloto, Tonga · 2895 days ago · 350 km deep · 89 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us2000h59j. Read Thu, Oct 1, 2026, 2:56 PM UTC.