Since 1539 were registered 49 tsunami in Central American region: 37 on Pacific side and 12 on caribbean side. Costa Rica was hit 15 times on caribbean side and 10 times on Pacific. The places most exposed to tsunami are: Jaco, Quepos and Manuel Antonio National Park (on pacific side) and entire caribbean side.
The biggest devastation, tsunami caused in 1854. The big wave flooded and destroyed village Villa Golfo Dulce (now Punta Arenitas) in Dulce Bay. In 1991 after the earthquake in Limon, tsunami entered the caribbean side, but didn`t caused major destructions. The last example of tsunami was registered on September 2nd of 1992, after the 7,2 R earthquake off the Nicaragua shore. It made 9,5 meter high wave, which attacked few provinces of Nicaragua. It reached also Costa Rica`s Guanacaste province shore, pushing aground many vessels, boats and sailing boats.