The Sanriku Coast - which includes present day Iwate and parts of Aomori and Miyagi - has been prone to tsunamis throughout its history. Analyses of tsunami deposits along the coast, however, haven't always provided conclusive findings. Now, a research team has utilized a new radiocarbon dating method to clarify the region's tsunami history and better understand the frequency at which these disasters occur.
source https://www.sciencedaily.com/releases/2022/02/220203103012.htm
source https://www.sciencedaily.com/releases/2022/02/220203103012.htm
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