On September 21, 1999, the Chi-Chi area of Nau-Tou County in Taiwan was severely damaged by a major earthquake, which is 7.3 on the Richter scale.

• 摘要:民国八十八年九月二十一日凌晨一时四十七分，台湾发生了近百年来最严重的地震，震央在集集地区，规模为芮氏7.；3级强烈地震。