M4.4 earthquake 260 km WNW of Haveluloto, Tonga
A magnitude 4.4 earthquake struck 260 km WNW of Haveluloto, Tonga on Sat, Aug 1, 1987, 3:22 PM GMT+13 (02:22 UTC), 505 km (314 mi) below the surface.
A larger quake followed: M6.1 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
- 4.4 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 1987-08-01 02:22:27 UTC
- Depth
- 504.6 km (313.5 mi), deep
- Epicenter
- 20.406° S, 177.584° 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.
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 6 in the 60 days after this one and 0 in the 30 days before it.
After
- 4.2Fiji region · 14308 days ago · 517 km deep · 60 km away
- 4.6294 km W of Haveluloto, Tonga · 14304 days ago · 247 km deep · 52 km away
- 4.4291 km WNW of Haveluloto, Tonga · 14300 days ago · 620 km deep · 37 km away
- 4.5290 km W of Haveluloto, Tonga · 14287 days ago · 426 km deep · 78 km away
- 6.1Fiji region · 14282 days ago · 569 km deep · 99 km away
- 4.8274 km WNW of Haveluloto, Tonga · 14276 days ago · 377 km deep · 60 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0003749. Read Fri, Oct 2, 2026, 4:58 PM UTC.