In September 2018, the Hokkaido Eastern Iburi Earthquake knocked out power of the entire region, affecting up to 2.95 million households. The tremor caused several power plants to shut down, disrupting the electrical frequency. This led to a chain reaction of other power plants to shut down. People's lives were greatly affected, as medical equipment failed and logistics systems were disrupted. What can we do to prevent such large-scale power outages? Find out what power companies and local communities are doing to take steps against massive blackouts.