17 July 2026
What Do Firefighter Marks on Buildings After an Earthquake Mean? The INSARAG Methodology for Coordinating International Rescues
After an earthquake, it's common to see buildings marked with spray-painted symbols, numbers, and letters. While they may seem like simple marks, they are part of the INSARAG methodology, an international system used by USAR teams to coordinate search and rescue operations in collapsed structures. Discover what they mean, why they are so important, and how they help save lives.