CONFIRMED

Magnitude 4.5 Earthquake Strikes South Sandwich Islands region

USGS seismic network records M4.5 seismic event at depth of 139.58 km.

By USGS Global Seismic Network•Oct 13, 2026, 02:16 AM UTC•1 min read

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Key Developments & Executive Summary

Primary Wire Report: USGS seismic network records M4.5 seismic event at depth of 139.58 km.
Desk & Verification: Normalized under Climate & Earth Systems desk via USGS Seismic Alert Network.
Classification Status: CONFIRMED wire dispatches verified against institutional sources.

A magnitude 4.5 earthquake was recorded by the United States Geological Survey (USGS) Seismic Alert Network at Tue, 13 Oct 2026 02:16:57 GMT. Location: South Sandwich Islands region Epicenter Coordinates: Latitude -58.1423, Longitude -26.2058 Hypocenter Depth: 139.58 km Tsunami Flag: No tsunami warning indicated Status: REVIEWED The USGS monitors global seismic activity 24/7 to provide rapid automated alerts and reviewed scientific data for disaster response and public awareness.

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USGS Global Seismic Network

Wire Agency

Contributing Wire Agency — Syndicated via USGS Seismic Alert Network

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Original Wire Source Release

Direct primary wire transmission originated by USGS Seismic Alert Network.

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