A strong earthquake of M7.6 struck Lancang, Yunnan Province on November 6, 1988, and abnormal earth resistivity changes were detected in the geoclectrie observation networks in Yunnan Province.

• 1988年11月6日我国云南澜沧发生7.；6级强烈地震；震前云南地电台网出现了地电阻率的异常变化。