The strongest earthquake in the country was recorded on March 11, 2011 in the Tohoku region. A 1-kilometer-long rift occurred on the ocean floor, which caused a tsunami. The natural disaster caused a serious accident at the Japanese nuclear power plant Fukushima‑1 As a result of the largest earthquake and tsunami that occurred in Japan over the past 30 years, 19 thousand people died, more than 450 thousand were left homeless. The height of the waves during the tsunami reached 40 meters.