M5.0 earthquake 193 km WNW of Hihifo, Tonga
A magnitude 5.0 earthquake struck 193 km WNW of Hihifo, Tonga on Wed, Jul 27, 1983, 9:13 AM GMT-12 (21:13 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
- 5.0 (ms), moderate
- Local time
- UTC
- 1983-07-27 21:13:36 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 15.095° S, 175.365° 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
Nearby
Within 100 km, magnitude 2.0 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 usp0001x5s. Read Tue, Sep 22, 2026, 8:50 PM UTC.