M4.3 earthquake 103 km SSE of ‘Ohonua, Tonga
A magnitude 4.3 earthquake struck 103 km SSE of ‘Ohonua, Tonga on Sun, Aug 2, 2020, 11:15 PM GMT+13 (10:15 UTC), 10 km (6 mi) below the surface.
A larger quake followed: M5.3 69 km SSW of Vaini, 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
- 2020-08-02 10:15:02 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 22.231° S, 174.688° 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 7.8 km horizontally, 1.8 km in depth
- Magnitude uncertainty
- ±0.17
- Depth from
- Operator assigned
- Station coverage gap
- 91°
- Stations used
- 17
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 2 in the 60 days after this one and 0 in the 30 days before it.
After
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us6000bah8. Read Sat, Oct 3, 2026, 9:26 AM UTC.