Kammala wannan jumla: Birnin Mayagüez ya kusan lalacewa a ranar 11 ga Oktoba, 1918 ta wani
girgizar ƙasa da tsunami. Yawancin garin dole ne a sake gina su, gami da Gidan Kwastam na Amurka da Majami'ar Birnin Mayagüez (an ƙara sabon dome, mai kama da na New York City Hall). A ranar 20 ga Yuni, 1919, wata gobara ta kusan lalata Teatro Yagüez, babban gidan wasan kwaikwayon garin, inda mutane 92 (wasu suka ce 150) suka mutu. Daga baya an sake gina Teatro kuma an sake gyara shi sau biyu; yanzu shi ne gidan wasan kwaikwayo na gari na Mayagüez.