M5.2 earthquake 77 km SSE of Neiafu, Tonga
A magnitude 5.2 earthquake struck 77 km SSE of Neiafu, Tonga on Tue, Aug 1, 2006, 10:58 PM GMT+13 (09:58 UTC), 29 km (18 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
- 2006-08-01 09:58:18 UTC
- Depth
- 28.9 km (18.0 mi), shallow
- Epicenter
- 19.258° S, 173.620° 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 |
| 5.19 | 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 usp000eq0n. 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
- Reverse (thrust)
- Nodal plane 1
- Strike 199°, dip 29°, rake 72°
- Nodal plane 2
- Strike 39°, dip 62°, rake 100°
How well it is located
Reviewed by a seismologist.
- Depth from
- CONSTRAINED_BY_DEPTH_PHASES
- Station coverage gap
- 81°
- Stations used
- 64
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 2.2 and up: 4 in the 60 days after this one and 6 in the 30 days before it.
After
- 5.273 km SE of Neiafu, Tonga · 7370 days ago · 32 km deep · 10 km away
- 4.846 km NNW of Pangai, Tonga · 7358 days ago · 10 km deep · 89 km away
- 4.660 km ENE of Pangai, Tonga · 7340 days ago · 92 km deep · 49 km away
- 4.3100 km E of Neiafu, Tonga · 7337 days ago · 35 km deep · 98 km away
Before
- 4.663 km ESE of Neiafu, Tonga · 7374 days ago · 50 km deep · 59 km away
- 5.066 km ESE of Neiafu, Tonga · 7376 days ago · 33 km deep · 49 km away
- 5.264 km ESE of Neiafu, Tonga · 7376 days ago · 40 km deep · 57 km away
- 4.121 km NNW of Pangai, Tonga · 7387 days ago · 35 km deep · 93 km away
- 4.751 km E of Pangai, Tonga · 7388 days ago · 19 km deep · 59 km away
- 4.665 km E of Pangai, Tonga · 7398 days ago · 10 km deep · 63 km away
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp000eq0n (also filed as gcmtc200608010958a, gcmt20060801095819, iscgem8568026). Read Mon, Oct 5, 2026, 9:25 AM UTC.