The earthquake in Japan is another reminder of how concentrated and interconnected the semiconductor supply chain has become.

While many facilities appear to have paused operations primarily for safety inspections rather than because of major damage, even short disruptions at critical semiconductor manufacturers or material suppliers can ripple across multiple industries.

For companies that know their supply chain down to the sub-tier level, this is an event they can quickly assess and manage. For those that don’t, the impact may come as a surprise when production delays or shortages emerge weeks later. That’s why visibility beyond Tier 1 suppliers is no longer optional, especially for critical products and components. Understanding your sub-tier dependencies enables faster risk assessment, more informed decisions, and greater supply chain resilience.