seismic sea wave

noun

Definition of seismic sea wave

: one of many gravitational water waves propagated outward in all directions from the epicenter of a submarine earthquake : tsunami — compare tidal wave

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“Seismic sea wave.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/seismic%20sea%20wave. Accessed 30 Oct. 2020.

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