How are Icelandic buildings designed to withstand earthquakes?

To ensure buildings in Iceland are prepared for seismic activity, construction practices have evolved significantly since the mid-20th century. Most modern structures in the country are built using reinforced concrete, a material chosen for its strength and durability.1

These buildings are specifically engineered to withstand severe shocks from earthquakes. Generally, earthquake-resistant structures are designed to prevent total collapse and preserve life by absorbing and dissipating seismic energy. This is achieved through several engineering principles:12

• Ductility: Using materials that can withstand deformation without breaking.2
• Damping: Incorporating systems that decrease the amplitude of oscillations during a tremor.2
• Structural Integrity: Utilizing stiffeners, such as diagonal sway bracing, to resist lateral forces and providing tolerance for controlled movement within the structure.2

While earthquakes are frequent in Iceland, these modern building standards ensure that they rarely result in serious damage.1