`` Kuo fault '' may have produced more than 2,400 temblor . Fault may be able to produce much stronger quake , Taiwanese official says . Quake in area killed 6.1 in 2000 .
`` Blind fault '' may have produced 6.1 temblor . Fault may be able to produce much stronger quake , Taiwanese official says . Quake in area killed more than 2,400 in 1999 .