2011-3-11 (Home Video) Japan Earthquake Live, With Early Warning. Complete Raw
Overview
Home video of the 11 March 2011 Japan earthquake, filmed as an early warning system detected the P wave and gave seconds of notice before the shaking began. The raw footage shows the warning in action.
On Hacker News
HN cites it as a concrete real-world example of how much warning earthquake early-warning systems can provide.
Topics
Sources
Video by Omar Diaz, 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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Selection checks
- SaaS & AI candidates: Topic keywords do not match
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