2011 Sanriku offshore earthquake occurred on 11 March 2011 in Japan.
Detailed accounts of this event are still being compiled. If you have verified information or a good source, we would welcome it through the contact page.
Why this event still matters
Historical incidents shape the rules that protect people today — building codes, evacuation policy, warning systems and inspection regimes almost always trace back to a specific disaster. Studying 2011 Sanriku offshore earthquake alongside current events is how preparedness improves.
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