M4.6 earthquake 172 km WNW of Pangai, Tonga
A magnitude 4.6 earthquake struck 172 km WNW of Pangai, Tonga on Wed, Mar 22, 2006, 8:15 AM GMT+13 (19:15 UTC), 175 km (109 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.6 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2006-03-21 19:15:59 UTC
- Depth
- 175.0 km (108.7 mi), intermediate-depth
- Epicenter
- 19.000° S, 175.755° 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 usp000ecnk. 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.
- Station coverage gap
- 143°
- Stations used
- 19
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.6 and up: 3 in the 60 days after this one and 2 in the 30 days before it.
After
- 4.2163 km W of Pangai, Tonga · 7491 days ago · 143 km deep · 91 km away
- 4.3150 km W of Pangai, Tonga · 7466 days ago · 189 km deep · 89 km away
- 4.4148 km WNW of Pangai, Tonga · 7449 days ago · 35 km deep · 61 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp000ecnk. Read Mon, Oct 5, 2026, 12:03 PM UTC.