M5.0 earthquake 95 km NNE of Hihifo, Tonga
A magnitude 5.0 earthquake struck 95 km NNE of Hihifo, Tonga on Tue, Aug 13, 1985, 11:28 AM GMT-11 (22:28 UTC), 33 km (21 mi) below the surface.
A larger quake followed: M5.8 68 km NNE of Hihifo, Tonga. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.0 (mb), moderate
- Local time
- UTC
- 1985-08-13 22:28:21 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 15.155° S, 173.458° 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
- OPERATOR_ASSIGNED
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 2.0 and up: 7 in the 60 days after this one and 2 in the 30 days before it.
After
- 4.475 km NNE of Hihifo, Tonga · 15013 days ago · 33 km deep · 23 km away
- 5.868 km NNE of Hihifo, Tonga · 14986 days ago · 68 km deep · 27 km away
- 4.982 km NNW of Hihifo, Tonga · 14981 days ago · 139 km deep · 76 km away
- 4.859 km E of Hihifo, Tonga · 14971 days ago · 33 km deep · 92 km away
- 4.588 km NNE of Hihifo, Tonga · 14971 days ago · 33 km deep · 9 km away
- 4.767 km ENE of Hihifo, Tonga · 14968 days ago · 33 km deep · 63 km away
- 4.894 km N of Hihifo, Tonga · 14962 days ago · 33 km deep · 22 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0002hq7. Read Tue, Sep 22, 2026, 6:58 AM UTC.