M5.3 earthquake 142 km SW of Gataivai, Samoa
A magnitude 5.3 earthquake struck 142 km SW of Gataivai, Samoa on Thu, Apr 19, 1973, 1:33 PM GMT-11 (00:33 UTC), 49 km (30 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.3 (mb, body-wave), moderate
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 1973-04-20 00:33:10 UTC
- Depth
- 49.0 km (30.4 mi), shallow
- Epicenter
- 14.833° S, 173.136° W
- Region
- Samoa
- 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
- CONSTRAINED_BY_DEPTH_PHASES
- Stations used
- 36
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 2.3 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 usp00001fh. Read Fri, Oct 2, 2026, 8:37 PM UTC.