The 2003 Hokkaidō earthquake (aka 2003 Tokachi-Oki Earthquake 十勝沖地震 (2003 Tokachi-Oki Jishin) ) occurred on September 25, 2003 in Hokkaidō, Japan. It measured 8.3 on the moment magnitude scale and caused extensive damage, destroying roads all around Hokkaidō, and caused several power outages and damaging landslides.[1] A number of people were injured.[2] The earthquake also caused a tsunami reaching 4 meters in height.[3] The earthquake's presence was felt throughout Japan, stretching all the way to Honshu and Tokyo.[1] The earthquake was the largest in 2003.[4]