M4.5 earthquake 204 km SSW of ‘Ohonua, Tonga
A magnitude 4.5 earthquake struck 204 km SSW of ‘Ohonua, Tonga on Thu, Jul 28, 2022, 12:26 PM GMT+13 (23:26 UTC), 10 km (6 mi) below the surface.
A larger quake followed: M4.7 239 km S 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
- 2022-07-27 23:26:29 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 23.128° S, 175.408° 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 5.3 km horizontally, 1.9 km in depth
- Magnitude uncertainty
- ±0.17
- Depth from
- Operator assigned
- Station coverage gap
- 138°
- Stations used
- 19
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 3 in the 60 days after this one and 3 in the 30 days before it.
After
- 4.7239 km S of ‘Ohonua, Tonga · 1528 days ago · 10 km deep · 97 km away
- 4.1Tonga region · 1518 days ago · 19 km deep · 49 km away
- 4.5160 km SSW of ‘Ohonua, Tonga · 1516 days ago · 10 km deep · 49 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us6000i8fr. Read Fri, Oct 2, 2026, 4:52 PM UTC.