
1978 Miyagi earthquake - Wikipedia
The 1978 Miyagi earthquake (1978, 1978 nen Miyagi-ken-oki jishin) occurred at 17:14 local time (08:14 UTC) on 12 June. The epicentre was offshore of Miyagi Prefecture, Japan.It had a surface wave magnitude of 7.7, JMA magnitude 7.4, and triggered a small tsunami.The earthquake reached a maximum intensity of Shindo 5 in Sendai and caused 28 …