M4.5 earthquake 160 km SSW of ‘Ohonua, Tonga
A magnitude 4.5 earthquake struck 160 km SSW of ‘Ohonua, Tonga on Tue, Aug 9, 2022, 12:37 PM GMT+13 (23:37 UTC), 10 km (6 mi) below the surface.
A larger quake followed: M4.6 131 km SSE 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
- 4.5 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2022-08-08 23:37:18 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 22.695° S, 175.481° 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 7.6 km horizontally, 1.7 km in depth
- Magnitude uncertainty
- ±0.19
- Depth from
- Operator assigned
- Station coverage gap
- 117°
- Stations used
- 20
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 1 in the 60 days after this one and 5 in the 30 days before it.
After
Before
- 4.1Tonga region · 1518 days ago · 19 km deep · 19 km away
- 4.5204 km SSW of ‘Ohonua, Tonga · 1527 days ago · 10 km deep · 49 km away
- 4.8213 km SSW of ‘Ohonua, Tonga · 1528 days ago · 10 km deep · 55 km away
- 4.8199 km S of ‘Ohonua, Tonga · 1528 days ago · 10 km deep · 56 km away
- 4.3200 km SSW of ‘Ohonua, Tonga · 1543 days ago · 10 km deep · 48 km away
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us6000ibm4. Read Fri, Oct 2, 2026, 10:32 AM UTC.