Pedzisa mutsara unotevera:
1918 Kudengenyeka kweSan Fermín kwakaitika musi wa, 1918, uye kwakanga kune ukuru hunofungidzirwa hwe7.5 paRichter scale. Yakatangira pamhenderekedzo yeAguadilla, makiromita anoverengeka kubva kumhenderekedzo yegungwa yokuchamhembe, uye yakateverwa netsunami. Yakaparira kukuvadzwa kukuru kwepfuma uye kurasikirwa kwakapararira, kukuvadza zvivako, zvikurukuru mabhiriji. Rakaita kuti vanhu vanofungidzirwa kuva 116 vafe uye rakaparadza zvinhu zvinokwana mamiriyoni mana emadhora. Kukundikana kwehurumende kuita chiito nokukurumidza kuti igovere garikano yavose kwakabetsera kumubato wezvamatongerwe enyika navapikisi uye pakupedzisira kukwira kwePuerto Rican Nationalist Party.