Experts from the National Vulcanology and Seismology Institute (OVSICORI) said last week that the major earthquake expected to hit Costa Rica's Nicoya Peninsula on the Pacific coast since 1991 will most likely strike in the next five years, activating a series of local faults that will unleash quakes of five and six degrees on the Richter scale. Marino Protti, OVSICORI's director, told the daily Al D