Two strong earthquakes have rattled nerves in central Chile but there are no reports of new damage to a region devastated by February’s big quake.

Authorities say people in the beach town of Tirua fled to high ground for fear of a possible tsunami, which did not occur.

The U.S. Geological Survey says a magnitude—5.3 quake hit at 4-21 a.m. (0821 GMT) on Wednesday. It was followed by a magnitude—6.5 shake 11 minutes later. The stronger one was centred about 345 miles (560 kilometers) south of Santiago, Chile’s capital.

The area was among those most harmed by the magnitude—8.8 quake on February 27. That temblor and the resulting tsunami killed at least 521 people and left 200,000 homeless.

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