M4.4 earthquake 81 km NE of ‘Ohonua, Tonga
A magnitude 4.4 earthquake struck 81 km NE of ‘Ohonua, Tonga on Mon, Jun 22, 1987, 1:28 AM GMT+13 (12:28 UTC), 120 km (74 mi) below the surface.
A larger quake followed: M5.3 69 km E of ‘Ohonua, 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
- 1987-06-21 12:28:50 UTC
- Depth
- 119.7 km (74.4 mi), intermediate-depth
- Epicenter
- 20.912° S, 174.308° 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: 3 in the 60 days after this one and 1 in the 30 days before it.
After
- 4.9102 km ENE of ‘Ohonua, Tonga · 14347 days ago · 33 km deep · 28 km away
- 5.369 km E of ‘Ohonua, Tonga · 14343 days ago · 36 km deep · 43 km away
- 5.060 km S of Pangai, Tonga · 14294 days ago · 33 km deep · 61 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp00035z1. Read Sat, Oct 3, 2026, 6:54 PM UTC.