Sanriku Coast

[4] The bays of this ria coastline tend to amplify the destructiveness of tsunami waves.

[5] Significant events which devastated coastal communities include: Prior to 2011, the tsunami history of Sanriku might have been interpreted as a story of progressively fewer casualties due to human intervention and planning.

The 2011 disaster created a new baseline for analysis of regularly occurring tsunamis.

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Jōdo-ga-hama at the Rikuchu Kaigan National Park in 2007
In 1896, devastation following the tsunami