M5.6 earthquake 193 km WNW of Hihifo, Tonga
A magnitude 5.6 earthquake struck 193 km WNW of Hihifo, Tonga on Sat, Feb 25, 1961, 3:02 AM GMT-12 (15:02 UTC), 35 km (22 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.6 (mw), moderate
- Local time
- UTC
- 1961-02-25 15:02:05 UTC
- Depth
- 35.0 km (21.7 mi), shallow
- Epicenter
- 15.519° S, 175.541° 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.
- Magnitude uncertainty
- ±0.20
- Depth from
- From location
Nearby
Within 100 km, magnitude 2.6 and up: 0 in the 60 days after this one and 1 in the 30 days before it.
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event iscgem876173. Read Mon, Sep 28, 2026, 9:13 PM UTC.