M5.8 earthquake 240 km W of Hihifo, Tonga
A magnitude 5.8 earthquake struck 240 km W of Hihifo, Tonga on Fri, Mar 21, 1969, 5:43 PM GMT-12 (05:43 UTC), 15 km (9 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.8 (mw), moderate
- Local time
- UTC
- 1969-03-22 05:43:56 UTC
- Depth
- 15.0 km (9.3 mi), shallow
- Epicenter
- 15.621° S, 176.013° 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.
- Magnitude uncertainty
- ±0.31
- Depth from
- From location
Nearby
Within 100 km, magnitude 2.5 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 iscgem811375. Read Tue, Sep 22, 2026, 6:16 AM UTC.