M4.2 earthquake 163 km W of Pangai, Tonga
A magnitude 4.2 earthquake struck 163 km W of Pangai, Tonga on Sun, Apr 2, 2006, 9:03 PM GMT+13 (08:03 UTC), 143 km (89 mi) below the surface.
A larger quake followed: M4.8 Tonga. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.2 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2006-04-02 08:03:28 UTC
- Depth
- 143.0 km (88.9 mi), intermediate-depth
- Epicenter
- 19.804° S, 175.918° W
- Region
- Tonga
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
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 usp000edgw. 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.
How well it is located
Reviewed by a seismologist.
- Depth from
- FROM_LOCATION
- Station coverage gap
- 154°
- Stations used
- 8
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 6 in the 60 days after this one and 4 in the 30 days before it.
After
- 4.5129 km NNW of Nuku‘alofa, Tonga · 7482 days ago · 10 km deep · 40 km away
- 4.3150 km W of Pangai, Tonga · 7466 days ago · 189 km deep · 14 km away
- 4.2101 km NNW of Nuku‘alofa, Tonga · 7465 days ago · 244 km deep · 65 km away
- 4.4116 km W of Pangai, Tonga · 7460 days ago · 35 km deep · 48 km away
- 4.4148 km WNW of Pangai, Tonga · 7448 days ago · 35 km deep · 34 km away
- 4.8Tonga · 7435 days ago · 130 km deep · 48 km away
Before
- 4.7104 km W of Pangai, Tonga · 7499 days ago · 96 km deep · 59 km away
- 4.6172 km WNW of Pangai, Tonga · 7503 days ago · 175 km deep · 91 km away
- 4.7139 km NNW of Nuku‘alofa, Tonga · 7514 days ago · 133 km deep · 29 km away
- 6.1122 km NNW of Nuku‘alofa, Tonga · 7519 days ago · 206 km deep · 44 km away · felt by 2
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp000edgw. Read Mon, Oct 5, 2026, 6:54 AM UTC.