M4.3 earthquake 44 km WSW of Hihifo, Tonga
A magnitude 4.3 earthquake struck 44 km WSW of Hihifo, Tonga on Wed, Dec 11, 1985, 5:03 AM GMT-11 (16:03 UTC), 148 km (92 mi) below the surface.
A larger quake followed: M4.5 124 km WSW 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
- 4.3 (mb), light
- Local time
- UTC
- 1985-12-11 16:03:57 UTC
- Depth
- 147.5 km (91.7 mi), intermediate-depth
- Epicenter
- 16.036° S, 174.199° 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 1 in the 30 days before it.
After
- 4.5124 km WSW of Hihifo, Tonga · 14862 days ago · 300 km deep · 84 km away
- 4.956 km SE of Hihifo, Tonga · 14854 days ago · 48 km deep · 91 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0002ns8. Read Tue, Sep 22, 2026, 4:11 PM UTC.