A strong quake hit western Argentina, shaking buildings as far away as Santiago, the capital of neighboring Chile, though there were no preliminary reports of damage to people, infrastructure or basic services.
Chile's navy ruled out a tsunami after the quake, which the U.S. Geological Survey said was a magnitude-6.4.
The quake's epicenter was 14 miles (24 km) southwest of the Argentine town of San Juan, and about 165 miles (267 km) northeast of Santiago in Chile. The tremor was initially reported as a magnitude-6.7 but was later downgraded.
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