In the span of 10 minutes the Observatorio Vulcanológico y Sismológico de Costa Rica (OVSICORI) reported three tremors on Tuesday night: in Puntarenas, Alajuela and Guanacaste.
The first regsistered 2.7 on the Richter scale and was felt at 8:22pm, locaed 42km norteast of San Vicente in La Cruz, Guanacaste, at a depth of 300 km.
The second, a little stronger at 2.8 hit 51km norteast of Mexico de Upala, in the province of Alajuela, with a depth of 280km.
The third movement was felt at 8:0pm, registering 2.5 some 16 km of Pochotal in Garabito, in the province of Puntarenas, with a depth of 16km.