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M5.7 Earthquake Strikes South of Africa, No Damage Reported

A magnitude 5.7 earthquake occurred at 20:54 UTC on 2026-09-20 at 48.428°S 31.235°E, depth 10 km, in the remote southern Indian Ocean. USGS PAGER issued a GREEN alert, indicating low likelihood of casualties or damage. The event is notable for its location but poses no immediate threat to populated areas.

USGS Earthquakes M4.5+about 19 hours agoCredibility 10%View source

Score Breakdown

Mosaic Score2.0
Confidence0.9
Significance0.1
Source credibility0.1

Intelligence Tags

#earthquake#seismic#usgs#pager-green#southern-ocean

Locations

South of Africa

Entities

country
Source

Related signals

8 found