1946 Nankaidō earthquake is located in Japan

The 1946 Nankaidō earthquake was a great earthquake in Nankaidō, Japan. It occurred on December 21, 1946 at 04:19 JST (December 20, 19:19 UTC). The earthquake measured between 8.1 and 8.4 on the moment magnitude scale, and was felt from Northern Honshū to Kyūshū. It occurred almost two years after the 1944 Tōnankai earthquake, which ruptured the adjacent part of the Nankai megathrust.

• http://en.wikipedia.org/wiki/1946 Nankaidō earthquake