The 1918 San Fermín earthquake, also known as the Puerto Rico earthquake of 1918, struck the island of Puerto Rico at 10:14:42 local time on October 11. The earthquake measured 7.1 on the moment magnitude scale and IX (Violent) on the Mercalli intensity scale. The mainshock epicenter occurred off the northwestern coast of the island, somewhere along the Puerto Rico Trench.
Damage caused to the "La Habanera de Infanzón y Rodríguez" building in Mayagüez
Simulation of the results of the tsunami on the coast of Aguadilla, Puerto Rico
Cathedral of Mayagüez after the first earthquake; further damage toppled the left tower
Aguadilla Punta Borinquen Lighthouse Ruins—an 1889 lighthouse destroyed by the tsunami
The Parque de Bombas is a historic former fire station in Ponce, Puerto Rico. It is one of Puerto Rico's most notable buildings, with some considering it "by far the most easily recognized landmark in the Island."
Parque de Bombas in August 1977
Front view of the firehouse
Parque de Bombas, photo of 1920