M5.0 earthquake 107 km SSW of Hihifo, Tonga
A magnitude 5.0 earthquake struck 107 km SSW of Hihifo, Tonga on Fri, Apr 10, 1987, 10:10 AM GMT-12 (22:10 UTC), 197 km (122 mi) below the surface.
A larger quake followed: M5.7 181 km NW of Neiafu, 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
- 1987-04-10 22:10:00 UTC
- Depth
- 196.6 km (122.2 mi), intermediate-depth
- Epicenter
- 16.807° S, 174.283° 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
Nearby
Within 100 km, magnitude 2.0 and up: 3 in the 60 days after this one and 1 in the 30 days before it.
After
- 5.4131 km SSE of Hihifo, Tonga · 14411 days ago · 33 km deep · 95 km away
- 5.7181 km NW of Neiafu, Tonga · 14402 days ago · 279 km deep · 88 km away
- 4.6115 km WSW of Hihifo, Tonga · 14400 days ago · 33 km deep · 93 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp000342g. Read Tue, Sep 29, 2026, 10:01 PM UTC.