Nature gave a rude wakeup call to residents in the Jacó area.
Earthquake monitoring agencies registered a 5:53 a.m. quake Tuesday about 23 kilometers south of Jacó in the Pacific.
The Laboratorio de Ingenieria Sismica estimated the magnitude at 3.9. The Red Sismológica Nacional, Costa Rica said the jolt was 4.2.
The quake mainly was felt along the central Pacific coast and in parts of the Nicoya peninsula across the gulf of Nicoya.