The strongest in <a class="mw-redirect" href="https://en.wikipedia.org/wiki/1811–12_New_Madrid_earthquakes" id="mwYA" rel="mw:WikiLink" title="1811–12 New Madrid earthquakes">a series of earthquakes</a> strikes <a href="https://en.wikipedia.org/wiki/New_Madrid,_Missouri" id="mwYQ" rel="mw:WikiLink" title="New Madrid, Missouri">New Madrid, Missouri</a>.<sup about="#mwt57" class="mw-ref reference" data-mw='{"name":"ref","attrs":{},"body":{"id":"mw-reference-text-cite_note-9"}}' id="cite_ref-9" rel="dc:references" typeof="mw:Extension/ref"><a href="./February_7#cite_note-9" id="mwYg" style="counter-reset: mw-Ref 9;"><span class="mw-reflink-text" id="mwYw">[9]</span></a></sup>
<span class="mw-reference-text" id="mw-reference-text-cite_note-9"><cite about="#mwt54" class="citation book cs1" id="mwBro"><a class="external text" href="https://books.google.com/books?id=04sKAQAAMAAJ" id="mwBrs" rel="mw:ExtLink nofollow"><i id="mwBrw">The New Madrid Earthquake at Mammoth Cave (1811-1812)</i></a>. George Publishing Company. 1992. p.<span id="mwBr0" typeof="mw:Entity"> </span>10. <a class="external text" href="https://web.archive.org/web/20200801123514/https://books.google.com/books?id=04sKAQAAMAAJ" id="mwBr4" rel="mw:ExtLink nofollow">Archived</a> from the original on 2020-08-01<span class="reference-accessdate" id="mwBr8">. Retrieved <span class="nowrap" id="mwBsA">2020-01-12</span></span>.</cite><span about="#mwt54" class="Z3988" id="mwBsE" title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=book&amp;rft.btitle=The+New+Madrid+Earthquake+at+Mammoth+Cave+%281811-1812%29.&amp;rft.pages=10&amp;rft.pub=George+Publishing+Company&amp;rft.date=1992&amp;rft_id=https%3A%2F%2Fbooks.google.com%2Fbooks%3Fid%3D04sKAQAAMAAJ&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AFebruary+7"></span></span>