April 2011 Miyagi earthquake April 2011 Miyagi earthquake The April 2011 Miyagi earthquake (Japanese: ) occurred off the coast of Miyagi Prefecture, approximately east of Sendai, Japan. The thrust earthquake was classified as an aftershock of the March 11 Tōhoku earthquake, and occurred at 23:32 JST (14:32 UTC) on Thursday, 7 April 2011. Several tsunami warnings were issued for the northeastern coast of Honshu; however, they were all canceled 90 minutes later. Over 3 million households in the area were left without power, and several nuclear plants suffered minor inconveniences. There was no major structural damage, but the quake killed at least 4 people
1855 Edo earthquake 1855 Edo earthquake The , also known as the Great Ansei earthquake, was one of the major disasters of the late-Edo period. The earthquake occurred at 22:00 local time on 11 November. It had an epicenter close to Edo (now Tokyo), causing considerable damage in the Kantō region from the shaking and subsequent fires, with a death toll of 7,000–10,000 people and destroyed around 14,000 buildings. The earthquake had a magnitude of 7.0 on the surface wave magnitude scale and reached a maximum intensity of XI (Extreme) on the Mercalli intensity scale. The earthquake triggered a minor tsunami. The Kanto