The time was reported to be 13 minutes after midnight. The epicenter was a few miles inland. A second quake, this one of 3.4 magnitude, took place at 4:23 a.m in about the sameplace, said the Laboratorio.
According to automatic reports, the both quakes were felt strongly in nearby Jacó and also in Puerto Caldera, San Ramón and Palamares as well as Paquera across the gulf of Nicoya on the peninsula. The intensities in Jacó was such that there might be damage.
The Pacific area has seen a number of quakes, including a flurry over the last month in the Pacific off Dominical further south. There was a 4.0 quake near there at lunchtime Tuesday.