Guam suffered from a string of natural disasters during the second Ada administration . Four sequential typhoons affected the area in 1991 , with Typhoon Omar causing the most damage . The 7.8 Mw Guam earthquake occurred on August 8 , 1993 , with a maximum Mercalli intensity of IX ( '' Violent '' ) . Damage ran into millions of dollars though only two buildings were destroyed . These disasters , combined with a recession in Japan , caused the tourism industry to suffer for a time
Guam earthquake
1993 Guam earthquake
Joseph Franklin Ada