
Puerto Rico: number of earthquakes by region 2018
Out of 3,974 earthquakes registered in Puerto Rico and the Virgin Islands in 2018, 412 occurred in the region located to the South of Puerto Rico. The 19º North Fault Zone was the region with the second highest number of earthquakes, reaching 349 such events. The Sombrero Seismic Zone, known as 'Zona Sísmica del Sombrero' in Spanish, came in third with 346 quakes.