This page summarizes earthquakes in Guanacaste (Costa Rica). The most recently recorded event was a magnitude M2.6 earthquake near Nicoya on 2026-06-13 14:35:33 UTC. All event lists and map markers are limited to the last 30 days.
Guanacaste is a province of Costa Rica in the northwestern part of the country, along the coast of the Pacific Ocean. It is bordered by Nicaragua to the north, Alajuela Province to the east, and Puntarenas Province to the southeast. It is the most sparsely populated province in Costa Rica.
In 2026, Guanacaste recorded 29 earthquakes within Costa Rica. The average magnitude was M2.93. The strongest event reached M4.4.
Located on the Caribbean Plate.