M4.8 earthquake 242 km SW of Houma, Tonga
A magnitude 4.8 earthquake struck 242 km SW of Houma, Tonga on Wed, Aug 21, 2024, 9:12 PM GMT+13 (08:12 UTC), 106 km (66 mi) below the surface.
A larger quake followed: M5.2 277 km SW of Houma, Tonga. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.8 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2024-08-21 08:12:29 UTC
- Depth
- 106.4 km (66.1 mi), intermediate-depth
- Epicenter
- 22.957° S, 176.662° 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 12.7 km horizontally, 7.0 km in depth
- Magnitude uncertainty
- ±0.09
- Depth from
- From location
- Station coverage gap
- 113°
- Stations used
- 41
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.8 and up: 6 in the 60 days after this one and 1 in the 30 days before it.
After
- 4.4241 km SSW of Houma, Tonga · 752 days ago · 81 km deep · 37 km away
- 4.2169 km SSW of Houma, Tonga · 751 days ago · 72 km deep · 75 km away
- 5.2277 km SW of Houma, Tonga · 737 days ago · 166 km deep · 55 km away
- 4.9243 km SW of Houma, Tonga · 731 days ago · 162 km deep · 27 km away
- 4.7248 km SSW of ‘Ohonua, Tonga · 725 days ago · 35 km deep · 90 km away
- 4.1south of the Fiji Islands · 716 days ago · 169 km deep · 92 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us7000ndix. Read Sun, Oct 4, 2026, 11:00 PM UTC.