M5.2 earthquake Tonga
A magnitude 5.2 earthquake struck in Tonga on Fri, Oct 14, 1977, 11:52 PM GMT+13 (10:52 UTC), 250 km (155 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.2 (mb), moderate
- Local time
- UTC
- 1977-10-14 10:52:19 UTC
- Depth
- 250.0 km (155.3 mi), intermediate-depth
- Epicenter
- 19.172° S, 175.699° 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.
- Stations used
- 53
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 2.2 and up: 1 in the 60 days after this one and 1 in the 30 days before it.
After
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0000r1j. Read Wed, Sep 23, 2026, 6:58 PM UTC.