Residents were instructed to evacuate coastal areas and move to safe zones at least 30 meters above sea level. Chile's National Disaster Prevention and Response Service ordered evacuations for the Magallanes region and Chilean Antarctic territories.

Chile's Hydrographic and Oceanographic Service estimated tsunami waves would reach Antarctic bases and Chilean coastal areas in the following hours, but no actual wave observations were reported in initial updates.

The 7.4 magnitude quake is significantly smaller than Chile's 2010 8.8 magnitude earthquake and 1960's record 9.5 Valdivia earthquake, though it occurred in a seismically active region near the Drake Passage.

President Boric confirmed all emergency resources were mobilized and urged compliance with evacuation orders, emphasizing preparedness through official channels.

The article specifically mentions suspension of water activities in Argentina's Tierra del Fuego province, but no details about Drake Passage shipping disruptions were included in initial reports.