Gyeonggi, April 16 (AJP) -The ground opens without warning. Asphalt fractures, steel buckles, and in seconds, what was solid becomes void. On Wednesday, fire authorities staged that moment.
At the Gyosan public housing development site in Hanam, 77 rescue personnel moved through a carefully choreographed collapse — a large-scale sinkhole scenario designed to mirror one of the most unpredictable urban hazards.
The three-day drill, running from April 15 to 17, brought together teams from the Gyeonggi Fire Services, Hanam Fire Station and the elite 119 Special Rescue Team.
The scenario was stark. A sudden ground subsidence swallows vehicles and destabilizes nearby structures. Victims are trapped below — unseen, unreachable, and running out of time.
Rescue teams worked vertically and blindly. Ladders dropped into the void. Ropes tightened against unstable edges. Aerial ladder trucks hovered overhead, lowering rescuers into fractured terrain where every step risked further collapse. Above ground, crews sealed off the perimeter, scanning for cracks that could widen without notice.
Underground rupture can release toxic gases from damaged sewage lines.
Crews rehearsed ventilation protocols, deploying detection equipment before entering confined spaces — a reminder that in sinkhole disasters, what cannot be seen can be just as lethal.
South Korea’s sinkholes are not rare anomalies. They are a recurring risk, often tied to rapid urban development and aging subterranean infrastructure. In Gyeonggi Province alone, such incidents have accounted for roughly a fifth of the national total over the past decade, according to rescue officials.
Seasonality compounds the threat. The spring thaw loosens soil. Summer monsoon rains saturate it. What appears stable can, under pressure, simply give way.
For the rescuers, the drill is repetition under controlled conditions. Because when the ground collapses, response is measured not in plans — but in seconds.
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