|• Revised Romanization||Uiju-gun|
|Administrative divisions||1 ŭp, 2 workers' districts, 17 ri|
|• Total||420 km2 (160 sq mi)|
Ŭiju earthquake was a 5.3 magnitude earthquake that occurred in Ŭiju County in 1980. It is the largest earthquake by magnitude recorded in the Korean Peninsula since South Korea began official earthquake observation in 1978.