M6.5 earthquake 176 km SE of ‘Ohonua, Tonga
A magnitude 6.5 earthquake struck 176 km SE of ‘Ohonua, Tonga on Mon, Oct 25, 1943, 4:23 AM GMT+12:19:12 (16:04 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
- 6.5 (mw), strong
- Local time
- UTC
- 1943-10-24 16:04:39 UTC
- Depth
- 15.0 km (9.3 mi), shallow
- Epicenter
- 22.576° S, 173.876° 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
- ±0.34
- Depth from
- From location
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 3.5 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 iscgem900056. Read Thu, Oct 1, 2026, 1:16 AM UTC.