M4.0 earthquake 170 km SW of Haveluloto, Tonga
A magnitude 4.0 earthquake struck 170 km SW of Haveluloto, Tonga on Wed, Mar 29, 2006, 9:24 AM GMT+13 (20:24 UTC), 412 km (256 mi) below the surface.
A larger quake followed: M5.2 197 km SW of Vaini, Tonga. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.0 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2006-03-28 20:24:16 UTC
- Depth
- 411.6 km (255.8 mi), deep
- Epicenter
- 22.137° S, 176.484° 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 usp000ed5b. 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
- 168°
- Stations used
- 10
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 5 in the 60 days after this one and 3 in the 30 days before it.
After
- 4.9215 km SW of Haveluloto, Tonga · 7494 days ago · 147 km deep · 46 km away
- 3.7174 km WSW of Haveluloto, Tonga · 7479 days ago · 300 km deep · 22 km away
- 5.2197 km SW of Vaini, Tonga · 7452 days ago · 110 km deep · 38 km away
- 4.7199 km WSW of Haveluloto, Tonga · 7445 days ago · 221 km deep · 46 km away
- 4.8214 km SW of ‘Ohonua, Tonga · 7445 days ago · 35 km deep · 89 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp000ed5b. Read Sun, Oct 4, 2026, 1:45 PM UTC.