Title: Sinkhole Causes and High-Risk Areas in Korea
Title: Sinkhole Causes and High-Risk Areas in Korea (2025 Update) 🕳️ What is a Sinkhole? A sinkhole is a sudden collapse of the ground due to underground cavity formation. It often results in major road damage and public safety risks in urban cities like Seoul and Incheon. 🔍 Key Causes of Sinkholes 🌿 Natural Causes Karst terrain (limestone dissolution) Sudden underground water level changes 🏗️ Human-Made Causes Subway and tunnel construction Water pipe leakage due to aging infrastructure Old mining zones ⚠️ High-Risk Sinkhole Zones in Korea Songpa-gu, Seoul – subway-related collapses Goyang City – unstable soil and excessive groundwater usage Bupyeong-gu, Incheon – outdated sewage system, ground softening Seoul has designated 50+ high-risk zones as of 2025, especially in Gwangjin-gu , Jongno , and Geumcheon . 🛡️ Prevention Tips Government-led ground investigations Regular maintenance of old water pipes Reduce overuse of...