EarthquakeMajor

M6.1 earthquake - South Sandwich Islands region

Name: M6.1 earthquake - South Sandwich Islands region
Start: 1977-08-04T01:11:11.3+00:00
Location: South Sandwich Islands region

17970 d ago · 4 Aug 1977, 01:11 UTC South Sandwich Islands region

What happened

A magnitude 6.1 earthquake struck South Sandwich Islands region on 4 Aug 1977, 01:11 UTC at a depth of 112 km.

Earthquakes of this size are classed as Strong. Can cause damage in populated areas up to tens of kilometres away. This was an intermediate-depth earthquake, so shaking is spread over a wider, gentler area.

Timeline

First reported by USGS
16 Oct 2026, 20:46 UTC

Community

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