The <a href="https://en.wikipedia.org/wiki/1976_Tangshan_earthquake" id="mw6A" rel="mw:WikiLink" title="1976 Tangshan earthquake">Tangshan earthquake</a><sup about="#mwt65" class="mw-ref reference" data-mw='{"name":"ref","attrs":{},"body":{"id":"mw-reference-text-cite_note-12"}}' id="cite_ref-12" rel="dc:references" typeof="mw:Extension/ref"><a href="./July_28#cite_note-12" id="mw6Q" style="counter-reset: mw-Ref 12;"><span class="mw-reflink-text" id="mw6g">[12]</span></a></sup> measuring between 7.8 and 8.2 <a href="https://en.wikipedia.org/wiki/Moment_magnitude_scale" id="mw6w" rel="mw:WikiLink" title="Moment magnitude scale">moment magnitude</a> flattens <a href="https://en.wikipedia.org/wiki/Tangshan" id="mw7A" rel="mw:WikiLink" title="Tangshan">Tangshan</a> in the People's Republic of China, killing 242,769 and injuring 164,851.
<span class="mw-reference-text" id="mw-reference-text-cite_note-12"><cite about="#mwt62" class="citation book cs1" id="mwBm8"><a class="external text" href="https://authors.library.caltech.edu/26539/1/Tangshan/Volume4.0_front_matter.pdf" id="mwBnA" rel="mw:ExtLink nofollow"><i id="mwBnE">The Great Tangshan Earthquake of 1976, Volume Four</i></a> <span class="cs1-format" id="mwBnI">(PDF)</span>. Earthquake Engineering Research Laboratory, California Institute of Technology. 2020<span class="reference-accessdate" id="mwBnM">. Retrieved <span class="nowrap" id="mwBnQ">25 July</span> 2020</span>.</cite><span about="#mwt62" class="Z3988" id="mwBnU" title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=book&amp;rft.btitle=The+Great+Tangshan+Earthquake+of+1976%2C+Volume+Four&amp;rft.pub=Earthquake+Engineering+Research+Laboratory%2C+California+Institute+of+Technology&amp;rft.date=2020&amp;rft_id=https%3A%2F%2Fauthors.library.caltech.edu%2F26539%2F1%2FTangshan%2FVolume4.0_front_matter.pdf&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AJuly+28"></span></span>