•  A strong 6.0 magnitude struck off the northwest coast of Puerto Rico late Monday, the United States Geological Survey said, although no casualties or damage were reported.
• The quake struck 62km northwest of San Antonio at 11:23 pm local time (03:20 GMT) at a depth of 10km, the agency said.

The quake struck 62km northwest of San Antonio at 11:23 pm local time (03:20 GMT) at a depth of 10km, the agency said.

San Antonio is home to Rafael Hernandez Airport, a key air link to the mainland US.

In 2010 nearby Haiti was struck by a devastating 7.0 magnitude earthquake that killed more than 250,000 people and crippled the nation's infrastructure.