Scientists estimated a preliminary magnitude of 6.1 for an earthquake in the Pacific off southern Costa Rica that took place at 2:55 a.m. today.
The epicenter was on the Middle America Trench, a convergence of tectonic plates, at about half a kilometer, a very shallow quake,
The Laboratorio de Ingeniería Sísmica said the epicenter was some 119 kilometers south southeast of Laurel de Corredores and some148 kilometers south southeast of Golfito.
The lengthy quake was felt in the Central Valley. A quake estimated at a magnitude of 5.8 took place also off the coast of Panamá about 11:53 a.m. Saturday. That quake was closer to shore but still produced many aftershocks.