M4.8 earthquake 249 km W of Haveluloto, Tonga
A magnitude 4.8 earthquake struck 249 km W of Haveluloto, Tonga on Fri, Sep 13, 1985, 11:27 PM GMT+13 (10:27 UTC), 489 km (304 mi) below the surface.
A larger quake followed: M4.9 284 km WNW of Haveluloto, 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
- 1985-09-13 10:27:48 UTC
- Depth
- 488.9 km (303.8 mi), deep
- Epicenter
- 20.941° S, 177.608° 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: 6 in the 60 days after this one and 1 in the 30 days before it.
After
- 4.6258 km W of Haveluloto, Tonga · 14979 days ago · 435 km deep · 38 km away
- 4.9284 km WNW of Haveluloto, Tonga · 14943 days ago · 550 km deep · 47 km away
- 4.5261 km WNW of Haveluloto, Tonga · 14941 days ago · 500 km deep · 42 km away
- 4.9Fiji region · 14939 days ago · 422 km deep · 82 km away
- 4.9280 km WSW of Haveluloto, Tonga · 14935 days ago · 387 km deep · 91 km away
- 4.9Fiji region · 14928 days ago · 619 km deep · 71 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0002jqs. Read Tue, Sep 22, 2026, 9:25 AM UTC.