M5.4 earthquake 124 km NE of Hihifo, Tonga
A magnitude 5.4 earthquake struck 124 km NE of Hihifo, Tonga on Wed, Jan 23, 1985, 9:44 AM GMT-11 (20:44 UTC), 33 km (21 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.4 (ms), moderate
- Local time
- UTC
- 1985-01-23 20:44:40 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 15.021° S, 173.140° 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
- OPERATOR_ASSIGNED
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 2.4 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 usp0002bag. Read Tue, Sep 22, 2026, 11:10 AM UTC.