A magnitude 5.1 earthquake struck near Golfito on Friday night, the strongest of four events above magnitude 4 recorded in Costa Rica’s Southern area in roughly 32 hours. The Red Sismológica Nacional (RSN) of the University of Costa Rica placed the quake at 7:59 p.m. on September 11, with an epicenter 10 kilometers (6 miles) east of Golfito in the province of Puntarenas. The RSN described its figures as preliminary and said the magnitude, locati…