A 6.4 magnitude earthquake and several other strong temblors struck Puerto Rico Tuesday morning,killing at least one man and injuring several others one day after a 5.8 magnitude quake shook the island, officials said.

Power outages and damage have been reported near the island’s southern coast, including in the city of Ponce, where a 77-year-old man was killed and at least eight others were injured, Ponce emergency management director Angel Vasquez said this morning.

The 6.4 quake struck at 4:24 a.m. local time (3:24 a.m. ET), centered just off Puerto Rico’s southern coast, about 6 miles south of Indios town, the US Geological Survey said.