M4.8 earthquake strikes remote Balleny Islands region, no tsunami threat

A magnitude 4.8 earthquake occurred at 07:49 UTC on 2026-10-22 in the Balleny Islands region (62.409°S, 163.521°E) at a depth of 10 km. The event is in a remote Antarctic area with no population or infrastructure at risk. No tsunami warning is expected given the moderate magnitude and location.

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