M4.7 earthquake 90 km WSW of Neiafu, Tonga
A magnitude 4.7 earthquake struck 90 km WSW of Neiafu, Tonga on Fri, Jun 3, 1977, 12:17 AM GMT+13 (11:17 UTC), 187 km (116 mi) below the surface.
A larger quake followed: M5.5 15 km NNW 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
- 4.7 (mb), light
- Local time
- UTC
- 1977-06-02 11:17:20 UTC
- Depth
- 187.0 km (116.2 mi), intermediate-depth
- Epicenter
- 18.887° S, 174.809° 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.
- Stations used
- 18
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.7 and up: 4 in the 60 days after this one and 1 in the 30 days before it.
After
- 5.1148 km WNW of Pangai, Tonga · 18009 days ago · 253 km deep · 95 km away
- 5.515 km NNW of Neiafu, Tonga · 18002 days ago · 41 km deep · 89 km away
- 4.6134 km W of Neiafu, Tonga · 18002 days ago · 137 km deep · 62 km away
- 5.181 km WNW of Pangai, Tonga · 17956 days ago · 129 km deep · 69 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0000p4e. Read Sat, Sep 26, 2026, 5:58 PM UTC.