M7.3 earthquake 227 km WNW of Haveluloto, Tonga
A magnitude 7.3 earthquake struck 227 km WNW of Haveluloto, Tonga on Fri, Apr 16, 1937, 3:20 PM GMT+12:19:12 (03:01 UTC), 330 km (205 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 7.3 (mw), major
- Local time
- UTC
- 1937-04-16 03:01:38 UTC
- Depth
- 330.0 km (205.1 mi), deep
- Epicenter
- 20.596° S, 177.315° 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
- ±0.40
- Depth from
- From location
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
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 iscgem903042. Read Tue, Sep 22, 2026, 11:15 AM UTC.