The epicenter of the 7.5-magnitude quake was in the Drake Passage, a body of water between the southernmost tip of South America and Antarctica.

© Juan Barreto/Agence France-Presse — Getty Images

Rescue efforts were continuing after the 6.1-magnitude temblor struck in a region that is crisscrossed by fault lines.

© Bahadir Demirceviren/IHA, via Associated Press

The Rybachiy base, which hosts nuclear-powered submarines from Russia’s Pacific Fleet, lies in a cove about 80 miles from the powerful earthquake that struck near the Kamchatka peninsula last week.

© Pavel Korolyov/Agence France-Presse — Getty Images