A STRONG EARTHQUAKE of 7.1 magnitude struck the high mountains and deep valleys in southwest China at 03.25 .hours on May 11, 1974. Five counties, Yungshan, Takuan, Yenchin and Suichiang in Yunnan...
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A STRONG EARTHQUAKE of 7.1 magnitude struck the high mountains and deep valleys in southwest China at 03.25 .hours on May 11, 1974. Five counties, Yungshan, Takuan, Yenchin and Suichiang in Yunnan...