M4.4 earthquake 67 km SSW of Hihifo, Tonga
A magnitude 4.4 earthquake struck 67 km SSW of Hihifo, Tonga on Fri, Sep 25, 1981, 12:37 AM GMT-11 (11:37 UTC), 116 km (72 mi) below the surface.
A larger quake followed: M5.0 45 km S 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
- 1981-09-25 11:37:31 UTC
- Depth
- 116.0 km (72.1 mi), intermediate-depth
- Epicenter
- 16.540° S, 173.957° 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
- FROM_LOCATION
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 2 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 usp0001g3b. Read Tue, Sep 29, 2026, 4:51 PM UTC.