M4.8 earthquake 123 km ESE of Hihifo, Tonga
A magnitude 4.8 earthquake struck 123 km ESE of Hihifo, Tonga on Sun, Nov 29, 1987, 2:29 PM GMT-11 (01:29 UTC), 33 km (21 mi) below the surface.
A larger quake followed: M5.5 145 km ESE 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 (mb), light
- Local time
- UTC
- 1987-11-30 01:29:20 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 16.573° S, 172.831° 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: 4 in the 60 days after this one and 3 in the 30 days before it.
After
- 5.5145 km ESE of Hihifo, Tonga · 14176 days ago · 33 km deep · 24 km away
- 5.4163 km SE of Hihifo, Tonga · 14158 days ago · 26 km deep · 41 km away
- 5.078 km SE of Hihifo, Tonga · 14149 days ago · 33 km deep · 51 km away
- 4.483 km SE of Hihifo, Tonga · 14149 days ago · 33 km deep · 49 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0003apf. Read Mon, Sep 28, 2026, 9:05 PM UTC.