M5.2 earthquake 277 km SW of Houma, Tonga
A magnitude 5.2 earthquake struck 277 km SW of Houma, Tonga on Sat, Sep 28, 2024, 10:56 AM GMT+13 (21:56 UTC), 166 km (103 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.2 (Mww, W-phase moment), moderate
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2024-09-27 21:56:48 UTC
- Depth
- 165.6 km (102.9 mi), intermediate-depth
- Epicenter
- 22.945° S, 177.196° W
- Region
- Tonga
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Magnitude estimates
Different scales measure different things and differ by a few tenths. The USGS marks one as preferred, and it is the one this page uses.
| Mag. | Scale | Computed by | Notes |
|---|---|---|---|
| 5.2 | Mww, W-phase moment | USGS National Earthquake Information Center | Preferred · Reviewed · ±0.073 · 18 stations |
| 5.2 | Mww, W-phase moment | USGS, automatic first solution | First automatic solution · Preliminary |
Did you feel it?
No one has reported feeling this quake to the USGS.
Fault motion and ground failure
How the rock slipped, from the moment tensor, and the USGS estimate of landslides and liquefaction.
- Faulting
- Reverse (thrust)
- Moment magnitude
- 5.2 Mww
- Nodal plane 1
- Strike 202°, dip 84°, rake 114°
- Nodal plane 2
- Strike 305°, dip 25°, rake 13°
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 11.0 km horizontally, 5.4 km in depth
- Magnitude uncertainty
- ±0.07
- Depth from
- From location
- Station coverage gap
- 65°
- Stations used
- 140
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 2.2 and up: 3 in the 60 days after this one and 1 in the 30 days before it.
After
- 4.9243 km SW of Houma, Tonga · 731 days ago · 162 km deep · 36 km away
- 4.1south of the Fiji Islands · 716 days ago · 169 km deep · 68 km away
- 4.5257 km SW of Houma, Tonga · 685 days ago · 10 km deep · 29 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us7000ngwn (also filed as usauto7000ngwn). Read Sun, Oct 4, 2026, 11:35 PM UTC.