M4.8 earthquake 114 km E of Hihifo, Tonga
A magnitude 4.8 earthquake struck 114 km E of Hihifo, Tonga on Wed, Jul 2, 1986, 10:21 PM GMT-11 (09:21 UTC), 33 km (21 mi) below the surface.
A larger quake followed: M4.9 153 km ENE 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
- 4.8 (ms), light
- Local time
- UTC
- 1986-07-03 09:21:29 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 15.934° S, 172.731° 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 1.8 and up: 3 in the 60 days after this one and 5 in the 30 days before it.
After
- 4.9153 km ENE of Hihifo, Tonga · 14673 days ago · 33 km deep · 49 km away
- 5.489 km NE of Hihifo, Tonga · 14661 days ago · 33 km deep · 88 km away
- 5.589 km ESE of Hihifo, Tonga · 14638 days ago · 33 km deep · 54 km away
Before
- 5.1107 km ENE of Hihifo, Tonga · 14693 days ago · 33 km deep · 35 km away
- 4.3145 km ENE of Hihifo, Tonga · 14693 days ago · 33 km deep · 43 km away
- 5.7116 km E of Hihifo, Tonga · 14693 days ago · 33 km deep · 14 km away
- 4.4100 km ENE of Hihifo, Tonga · 14693 days ago · 33 km deep · 47 km away
- 6.1150 km ENE of Hihifo, Tonga · 14693 days ago · 33 km deep · 51 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0002vp7. Read Tue, Sep 22, 2026, 8:45 AM UTC.