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6.3
EarthquakeMajor

M6.3 earthquake - 136 km SW of Asau, Samoa

31477 d ago · 11 Aug 1940, 16:46 UTC 136 km SW of Asau, Samoa

What happened

A magnitude 6.3 earthquake struck 136 km SW of Asau, Samoa on 11 Aug 1940, 16:46 UTC at a depth of 15 km.

Earthquakes of this size are classed as Strong. Can cause damage in populated areas up to tens of kilometres away. This was a shallow earthquake, which tends to be felt more strongly at the surface.

The nearest town in our records is Apia, about 193 km away in Tuamasaga, Samoa.

Timeline

  1. First reported by USGS

    16 Oct 2026, 20:46 UTC

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