M5.0 earthquake 132 km WSW of Hihifo, Tonga
A magnitude 5.0 earthquake struck 132 km WSW of Hihifo, Tonga on Sun, Jul 8, 1973, 11:02 PM GMT-12 (11:02 UTC), 236 km (147 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.0 (mb), moderate
- Local time
- UTC
- 1973-07-09 11:02:49 UTC
- Depth
- 236.0 km (146.6 mi), intermediate-depth
- Epicenter
- 16.611° S, 174.830° 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
- 44
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 usp00002n0. Read Tue, Sep 22, 2026, 5:23 PM UTC.