Magnitude 7.5 and 7.6 quakes in Drake Passage reveal reactivation of ancient oceanic faults

Two large earthquakes (M7.5 and M7.6) occurred near Antarctica in the Drake Passage, indicating that ancient tectonic faults beneath the ocean can reactivate. The event challenges assumptions about the stability of old oceanic lithosphere and has implications for seismic hazard assessment in remote regions. Details on exact locations and aftershock activity remain limited.

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