In 2001, an earthquake with M(subscript S)6.0 occurred in Yongsheng, Yunnan, and the strong ground motion was recorded by a strong motion seismograph at the town of Qina.

• 2001年云南永胜地区发生M(下标S)6.；0地震，布设在永胜期纳台的强震动仪记录到了这次地震。