The 1968 Tokachi earthquake (1968年十勝沖地震 Sen-kyūhyaku-rokujūhachi-nen Tokachi-oki Jishin) occurred on May 16, 1968 at 01:49 UTC (09:49 local time). The earthquake was located in the area offshore Aomori and Hokkaido. The magnitude of this earthquake was put at Mw 8.3, or Ms ~8.0.[2] The intensity of the earthquake reached shindo 5 in Aomori, Aomori and Hakodate, Hokkaido.[3]