M5.1 earthquake 29 km SSE of Pangai, Tonga
A magnitude 5.1 earthquake struck 29 km SSE of Pangai, Tonga on Sat, Nov 18, 2006, 2:22 PM GMT+13 (01:22 UTC), 70 km (44 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.1 (Mwc, centroid moment), moderate
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2006-11-18 01:22:31 UTC
- Depth
- 70.3 km (43.7 mi), intermediate-depth
- Epicenter
- 20.062° S, 174.254° 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 |
|---|---|---|---|
| 5.1 | Mwc, centroid moment | USGS National Earthquake Information Center | Preferred · Reviewed |
| 5.1 | Mw, moment | ISC-GEM global catalog | Final · ±0.1 |
| 5.1 | Mwc, centroid moment | Global CMT project | Preliminary |
What happened
The USGS’s account of the effects of this earthquake.
Felt (II) at Neiafu. Also felt at Pangai.
From the USGS event page for usp000ey2x. 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 reverse
- Nodal plane 1
- Strike 107°, dip 20°, rake 34°
- Nodal plane 2
- Strike 345°, dip 79°, rake 107°
How well it is located
Reviewed by a seismologist.
- Depth from
- CONSTRAINED_BY_DEPTH_PHASES
- Station coverage gap
- 61°
- Stations used
- 160
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 2.1 and up: 11 in the 60 days after this one and 5 in the 30 days before it.
After
- 5.09 km SE of Pangai, Tonga · 7255 days ago · 10 km deep · 21 km away
- 5.161 km SSE of Pangai, Tonga · 7241 days ago · 10 km deep · 33 km away
- 5.052 km SSE of Pangai, Tonga · 7241 days ago · 35 km deep · 23 km away
- 4.554 km SSW of Pangai, Tonga · 7234 days ago · 35 km deep · 38 km away
- 4.065 km ENE of Kolonga, Tonga · 7232 days ago · 10 km deep · 100 km away
- 4.457 km NW of Pangai, Tonga · 7229 days ago · 25 km deep · 85 km away
- 4.785 km S of Pangai, Tonga · 7225 days ago · 15 km deep · 60 km away
- 4.4Tonga · 7222 days ago · 35 km deep · 67 km away
- 4.6101 km SSE of Pangai, Tonga · 7221 days ago · 45 km deep · 72 km away
- 4.573 km NE of ‘Ohonua, Tonga · 7218 days ago · 10 km deep · 98 km away
- 5.177 km ENE of Kolonga, Tonga · 7212 days ago · 33 km deep · 86 km away
Before
- 4.430 km ENE of Pangai, Tonga · 7263 days ago · 57 km deep · 40 km away
- 4.235 km NW of Pangai, Tonga · 7273 days ago · 35 km deep · 62 km away
- 4.180 km W of Pangai, Tonga · 7284 days ago · 261 km deep · 96 km away
- 4.322 km ENE of Pangai, Tonga · 7286 days ago · 3 km deep · 36 km away
- 4.722 km S of Pangai, Tonga · 7287 days ago · 35 km deep · 15 km away
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp000ey2x (also filed as gcmtc200611180122a, gcmt20061118012231, iscgem8956725). Read Mon, Oct 5, 2026, 1:37 PM UTC.