M4.9 earthquake 294 km W of Haveluloto, Tonga
A magnitude 4.9 earthquake struck 294 km W of Haveluloto, Tonga on Wed, Jun 4, 1975, 6:26 PM GMT+13 (05:26 UTC), 465 km (289 mi) below the surface.
A larger quake followed: M5.0 Fiji region. This one was a foreshock.
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
- 1975-06-04 05:26:12 UTC
- Depth
- 465.0 km (288.9 mi), deep
- Epicenter
- 21.132° S, 178.044° 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
- 44
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.9 and up: 4 in the 60 days after this one and 2 in the 30 days before it.
After
- 4.7278 km WNW of Haveluloto, Tonga · 18723 days ago · 310 km deep · 61 km away
- 4.8298 km W of Haveluloto, Tonga · 18721 days ago · 490 km deep · 17 km away
- 4.5Fiji region · 18690 days ago · 572 km deep · 63 km away
- 5.0Fiji region · 18685 days ago · 609 km deep · 99 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0000baf. Read Tue, Sep 22, 2026, 9:01 PM UTC.