M4.3 earthquake 232 km WSW of Haveluloto, Tonga
A magnitude 4.3 earthquake struck 232 km WSW of Haveluloto, Tonga on Sun, Aug 23, 2020, 3:00 PM GMT+13 (02:00 UTC), 212 km (132 mi) below the surface.
A larger quake followed: M4.6 176 km SW of Haveluloto, 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
- 2020-08-23 02:00:47 UTC
- Depth
- 211.9 km (131.7 mi), intermediate-depth
- Epicenter
- 21.862° S, 177.321° 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 15.7 km horizontally, 8.2 km in depth
- Magnitude uncertainty
- ±0.15
- Depth from
- From location
- Station coverage gap
- 111°
- Stations used
- 21
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 6 in the 60 days after this one and 0 in the 30 days before it.
After
- 4.1184 km WSW of Haveluloto, Tonga · 2230 days ago · 153 km deep · 66 km away
- 4.4276 km W of Haveluloto, Tonga · 2208 days ago · 350 km deep · 61 km away
- 4.6176 km SW of Haveluloto, Tonga · 2202 days ago · 101 km deep · 83 km away
- 4.2178 km SW of Haveluloto, Tonga · 2201 days ago · 184 km deep · 75 km away
- 4.1222 km SW of Haveluloto, Tonga · 2191 days ago · 165 km deep · 72 km away
- 4.3242 km WSW of Haveluloto, Tonga · 2191 days ago · 224 km deep · 58 km away
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us7000bead. Read Mon, Oct 5, 2026, 9:51 AM UTC.