M4.7 earthquake 65 km NW of Hihifo, Tonga
A magnitude 4.7 earthquake struck 65 km NW of Hihifo, Tonga on Mon, May 24, 1976, 4:08 AM GMT-11 (15:08 UTC), 99 km (62 mi) below the surface.
A larger quake followed: M5.2 66 km NNW of Hihifo, Tonga. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.7 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 1976-05-24 15:08:11 UTC
- Depth
- 99.0 km (61.5 mi), intermediate-depth
- Epicenter
- 15.501° S, 174.185° 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.
- Depth from
- CONSTRAINED_BY_DEPTH_PHASES
- Stations used
- 18
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.7 and up: 2 in the 60 days after this one and 2 in the 30 days before it.
After
- 5.266 km NNW of Hihifo, Tonga · 18350 days ago · 86 km deep · 29 km away
- 4.817 km WNW of Hihifo, Tonga · 18338 days ago · 116 km deep · 51 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0000gh3. Read Thu, Oct 1, 2026, 8:21 AM UTC.