M5.2 earthquake 197 km SW of Vaini, Tonga
A magnitude 5.2 earthquake struck 197 km SW of Vaini, Tonga on Thu, May 11, 2006, 7:42 AM GMT+13 (18:42 UTC), 110 km (69 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.2 (Mwc, centroid moment), moderate
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2006-05-10 18:42:01 UTC
- Depth
- 110.3 km (68.5 mi), intermediate-depth
- Epicenter
- 22.480° S, 176.503° 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 | Mwc, centroid moment | USGS National Earthquake Information Center | Preferred · Reviewed |
| 5.15 | Mw, moment | ISC-GEM global catalog | Final · ±0.1 |
| 5.2 | Mwc, centroid moment | Global CMT project | Preliminary |
What happened
The USGS’s account of the effects of this earthquake.
no people dead or missing; no people injured; no buildings damaged or destroyed
From the USGS event page for usp000egsw. U.S. Geological Survey text and figures are in the public domain.
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
- Oblique normal
- Nodal plane 1
- Strike 223°, dip 35°, rake -59°
- Nodal plane 2
- Strike 6°, dip 60°, rake -110°
How well it is located
Reviewed by a seismologist.
- Depth from
- CONSTRAINED_BY_DEPTH_PHASES
- Station coverage gap
- 121°
- Stations used
- 124
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
- 4.7199 km WSW of Haveluloto, Tonga · 7445 days ago · 221 km deep · 67 km away
- 4.8214 km SW of ‘Ohonua, Tonga · 7445 days ago · 35 km deep · 56 km away
- 4.7204 km SSW of Vaini, Tonga · 7425 days ago · 39 km deep · 46 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp000egsw (also filed as gcmtc200605101841a, gcmt20060510184157, iscgem8338754). Read Sun, Oct 4, 2026, 4:40 PM UTC.