SAN JUAN — A 4.9-magnitude earthquake hit Puerto Rico on Thursday in the latest of a rare string of quakes that has frightened many in the U.S. commonwealth. The most recent quake occurred eight miles south of Guayanilla at a shallow depth of four miles and was felt in the capital of San Juan and … Continue reading 3 Earthquakes In 6 Days Rattle Puerto Rico And Keep Borinquens On Edge