M4.9 earthquake 262 km W of Hihifo, Tonga
A magnitude 4.9 earthquake struck 262 km W of Hihifo, Tonga on Thu, Mar 4, 1976, 12:10 PM GMT-12 (00:10 UTC), 324 km (201 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.9 (mb), light
- Local time
- UTC
- 1976-03-05 00:10:04 UTC
- Depth
- 324.0 km (201.3 mi), deep
- Epicenter
- 16.236° S, 176.236° W
- Region
- Tonga
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Did you feel it?
No one has reported feeling this quake to the USGS.
How well it is located
Reviewed by a seismologist.
- Stations used
- 49
Nearby
Within 100 km, magnitude 1.9 and up: 1 in the 60 days after this one and 0 in the 30 days before it.
After
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0000faq. Read Tue, Sep 29, 2026, 12:47 AM UTC.