M4.3 earthquake 98 km NNE of Hihifo, Tonga
A magnitude 4.3 earthquake struck 98 km NNE of Hihifo, Tonga on Tue, Jun 4, 1985, 12:40 PM GMT-11 (23:40 UTC), 33 km (21 mi) below the surface.
A larger quake followed: M5.2 91 km NE 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
- 1985-06-04 23:40:39 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 15.094° S, 173.574° 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 1.5 and up: 4 in the 60 days after this one and 3 in the 30 days before it.
After
- 5.291 km NE of Hihifo, Tonga · 15083 days ago · 33 km deep · 67 km away
- 4.6113 km N of Hihifo, Tonga · 15071 days ago · 33 km deep · 19 km away
- 4.8110 km NNW of Hihifo, Tonga · 15037 days ago · 33 km deep · 75 km away
- 5.387 km N of Hihifo, Tonga · 15034 days ago · 33 km deep · 13 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0002fhr. Read Tue, Sep 22, 2026, 9:55 AM UTC.