M5.0 earthquake 139 km E of ‘Ohonua, Tonga
A magnitude 5.0 earthquake struck 139 km E of ‘Ohonua, Tonga on Thu, Aug 4, 2022, 7:39 PM GMT+13 (06:39 UTC), 10 km (6 mi) below the surface.
A larger quake followed: M5.1 87 km SSE of Pangai, Tonga. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.0 (mb, body-wave), moderate
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2022-08-04 06:39:15 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 21.243° S, 173.610° 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 6.8 km horizontally, 1.9 km in depth
- Magnitude uncertainty
- ±0.06
- Depth from
- Operator assigned
- Station coverage gap
- 116°
- Stations used
- 44
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 2.0 and up: 1 in the 60 days after this one and 1 in the 30 days before it.
After
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us6000i7zk. Read Fri, Oct 2, 2026, 3:26 AM UTC.