Samoa earthquakes

M5.1 earthquake 174 km S of Matavai, Samoa

A magnitude 5.1 earthquake struck 174 km S of Matavai, Samoa on Thu, Apr 10, 1975, 7:12 AM GMT-11 (18:12 UTC), 15 km (9 mi) below the surface.

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The earthquake

Magnitude
5.1 (mb), moderate
Local time
UTC
1975-04-10 18:12:01 UTC
Depth
15.0 km (9.3 mi), shallow
Epicenter
15.582° S, 171.936° 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.

Stations used
39

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 2.1 and up: 0 in the 60 days after this one and 2 in the 30 days before it.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0000ajs. Read Tue, Sep 22, 2026, 6:39 AM UTC.