M5.2 earthquake 188 km E of Hihifo, Tonga
A magnitude 5.2 earthquake struck 188 km E of Hihifo, Tonga on Wed, Mar 19, 1975, 2:42 AM GMT-11 (13:42 UTC), 33 km (21 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
- 1975-03-19 13:42:21 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 15.835° S, 172.038° 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
- Stations used
- 58
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 usp0000aab. Read Wed, Sep 30, 2026, 2:36 AM UTC.