A powerful earthquake in Japan caused major damage, knocked transport services off course and left rescue teams searching through affected areas. Even so, the loss of life appears lower than many might have expected from a quake strong enough to bring down structures and disrupt daily life on a wide scale.

One reason is Japan’s long-standing focus on safer construction. Tough building standards are designed to help homes, offices and public facilities better withstand strong shaking. When earthquakes strike, those rules can mean the difference between severe damage and total collapse, reducing the risk to people inside.

Japan has also invested heavily in engineering, preparedness and systems built around the reality that major quakes will happen. That includes infrastructure designed with seismic risk in mind, as well as a public and official response shaped by regular planning and past experience. In a country where earthquakes are a constant concern, resilience is built into both physical structures and emergency thinking.

Another major factor is the lessons learned from previous disasters. Each major event has pushed authorities, engineers and communities to improve how they build, plan and respond. With rescue work still under way after Tuesday’s earthquake, the full toll is not yet clear, but Japan’s decades of adaptation appear to have helped prevent an even worse outcome.