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6.1
EarthquakeMajor

M6.1 earthquake - 186 km SSE of Katsuura, Japan

19012 d ago · 27 Sept 1974, 03:10 UTC 186 km SSE of Katsuura, Japan

What happened

A magnitude 6.1 earthquake struck 186 km SSE of Katsuura, Japan on 27 Sept 1974, 03:10 UTC at a depth of 46 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 Katsuura, about 187 km away in Chiba, Japan.

Timeline

  1. First reported by USGS

    16 Oct 2026, 20:46 UTC

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