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6.4
EarthquakeMajor

M6.4 earthquake near Wewak, East Sepik Province

12936 d ago · 17 May 1991, 02:31 UTC 22 km SSW of Ambunti, Papua New Guinea

What happened

A magnitude 6.4 earthquake struck 22 km SSW of Ambunti, Papua New Guinea on 17 May 1991, 02:31 UTC at a depth of 59 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 Wewak, about 138 km away in East Sepik Province, Papua New Guinea.

Timeline

  1. First reported by USGS

    16 Oct 2026, 20:46 UTC

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