M4.7 earthquake 41 km SW of Pangai, Tonga
A magnitude 4.7 earthquake struck 41 km SW of Pangai, Tonga on Tue, Mar 14, 1978, 3:08 PM GMT+13 (02:08 UTC), 66 km (41 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.7 (mb), light
- Local time
- UTC
- 1978-03-14 02:08:13 UTC
- Depth
- 66.0 km (41.0 mi), shallow
- Epicenter
- 20.121° S, 174.582° 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
- 10
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.7 and up: 0 in the 60 days after this one and 0 in the 30 days before it.
None recorded.
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0000tcu. Read Wed, Sep 30, 2026, 9:09 AM UTC.