M4.4 earthquake 141 km NW of Neiafu, Tonga
A magnitude 4.4 earthquake struck 141 km NW of Neiafu, Tonga on Fri, Apr 17, 1987, 8:16 AM GMT+13 (19:16 UTC), 253 km (157 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
- 4.4 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 1987-04-16 19:16:44 UTC
- Depth
- 252.5 km (156.9 mi), intermediate-depth
- Epicenter
- 17.614° S, 174.771° 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 1.5 and up: 1 in the 60 days after this one and 0 in the 30 days before it.
After
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0003479. Read Thu, Oct 1, 2026, 1:52 PM UTC.