M4.9 earthquake 275 km WNW of Neiafu, Tonga
A magnitude 4.9 earthquake struck 275 km WNW of Neiafu, Tonga on Sat, Jun 8, 1985, 11:20 PM GMT+13 (10:20 UTC), 371 km (230 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.9 (mb), light
- Local time
- UTC
- 1985-06-08 10:20:26 UTC
- Depth
- 370.7 km (230.3 mi), deep
- Epicenter
- 18.007° S, 176.505° 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 1.9 and up: 0 in the 60 days after this one and 0 in the 30 days before it.
None recorded.
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0002fn8. Read Tue, Sep 22, 2026, 6:27 AM UTC.