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Japan, Tsunami. Coast Guard ship rides over the tsunami waves. 日本 - 津波

aro004 · 4.2M views · 2011-03-22 · 3:17

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Overview

Amateur footage of a Japanese coast guard boat riding up and over large tsunami waves after the March 2011 Tohoku earthquake. It is short and unedited.

On Hacker News

Cited in threads about earthquakes and tsunami warnings as a visceral view of what a tsunami wave looks like at sea.

Discussed on HN; no positive recommendation is recorded in this export · HN mentions 2024–2026

Topics

Geology & earth scienceShips, submarines & maritime
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tsunamijapan2011 earthquakecoast guarddisaster

What people said

zamadatix · 2026-08 · Reference

Same video with normal controls: [LINK] Longer & unedited video from cited source: [VIDEO] . based on the translation of what folks are saying, this is a 10 meter wave at 38 meter sea depth.

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x______________ · 2025-07 · Reference

Here's a visual of your thoughts from the Fukushima event: [VIDEO] Japan, Tsunami. Coast Guard ship rides over the tsunami waves. 日本 - 津波 4.1M views · 14 years ago

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isoprophlex · 2024-08 · Reference

IIRC the water displacement on open seas is super modest, only when the thing hits shallower water near the coast does it become a problem Edit: [VIDEO] They're a few miles off the coast, ~10 m high waves, 38 m deep water according to some comment that translates the audio. pretty scary vid, for sure.

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Sources

Video by aro004, played through YouTube.

Data and selection notes

HN summaries and labels may contain AI errors. HN dates refer to discussions, not video publication.

HN Library: HackerTube export (2026-10-31) and open-index/hacker-news. Upstream summaries and classifications may contain AI errors.

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