M4.8 earthquake 42 km E of Neiafu, Tonga
A magnitude 4.8 earthquake struck 42 km E of Neiafu, Tonga on Sat, Nov 2, 1985, 4:37 AM GMT+13 (15:37 UTC), 136 km (85 mi) below the surface.
A larger quake followed: M4.9 112 km ENE of Neiafu, Tonga. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.8 (mb), light
- Local time
- UTC
- 1985-11-01 15:37:55 UTC
- Depth
- 136.0 km (84.5 mi), intermediate-depth
- Epicenter
- 18.691° S, 173.582° 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 1.8 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 usp0002mca. Read Mon, Sep 21, 2026, 10:19 PM UTC.