Sanjuan: A strong earthquake out to sea that shook Puerto Rico early Monday is one of the largest to hit the U.S. territory in recent years, cracking floors and causing some power outages, but no major damages or injuries, officials said.
The 6.4-magnitude quake struck just after midnight about 35 miles (57 kilometers) north of Hatillo, at a depth of 17 miles (28 kilometers), according to the U.S. Geological Survey.
At least 70 aftershocks have been reported since then, with at least three of a magnitude 3.5 or greater, said Gisela Baez Sanchez, a geologist with Puerto Rico's Seismic Network.
“All of Puerto Rico is in a seismic danger zone,” she said in a phone interview. “We have to be prepared.”
Broken windows, a busted water line and cracked floors and walls were reported in some areas along the north coast, while authorities said power outages occurred in the north city of Bayamon, close to the island's capital.
Dozens of people said they felt buildings sway in the capital of San Juan, about 61 miles (98 kilometers) from the quake's epicenter.
Hundreds of people called Puerto Rico's emergency management agency, but no injuries or major damages have been reported, spokesman Carlos Acevedo said in a phone interview.
The agency did not emit a tsunami alert, he said.
