M4.4 earthquake 133 km ESE of Hihifo, Tonga
A magnitude 4.4 earthquake struck 133 km ESE of Hihifo, Tonga on Sat, May 7, 1977, 12:56 PM GMT-11 (23:56 UTC), 62 km (39 mi) below the surface.
A larger quake followed: M4.7 181 km ESE 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
- 4.4 (mb), light
- Local time
- UTC
- 1977-05-07 23:56:45 UTC
- Depth
- 62.0 km (38.5 mi), shallow
- Epicenter
- 16.419° S, 172.642° 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
- 13
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 1 in the 60 days after this one and 6 in the 30 days before it.
After
Before
- 5.2221 km SE of Hihifo, Tonga · 18037 days ago · 33 km deep · 98 km away
- 4.9128 km ESE of Hihifo, Tonga · 18047 days ago · 33 km deep · 19 km away
- 4.7126 km ESE of Hihifo, Tonga · 18049 days ago · 33 km deep · 22 km away
- 5.1152 km ESE of Hihifo, Tonga · 18050 days ago · 33 km deep · 21 km away
- 4.3150 km SSE of Hihifo, Tonga · 18060 days ago · 33 km deep · 87 km away
- 4.7174 km ESE of Hihifo, Tonga · 18062 days ago · 33 km deep · 41 km away
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0000nsw. Read Tue, Sep 22, 2026, 10:30 PM UTC.