A <a href="https://en.wikipedia.org/wiki/2010_Mentawai_earthquake_and_tsunami" id="mw9w" rel="mw:WikiLink" title="2010 Mentawai earthquake and tsunami">magnitude 7.8 earthquake</a> strikes off Indonesia's <a href="https://en.wikipedia.org/wiki/Mentawai_Islands_Regency" id="mw-A" rel="mw:WikiLink" title="Mentawai Islands Regency">Mentawai Islands</a>, triggering a <a href="https://en.wikipedia.org/wiki/Tsunami" id="mw-Q" rel="mw:WikiLink" title="Tsunami">tsunami</a> that kills at least 400 people.<sup about="#mwt73" class="mw-ref reference" data-mw='{"name":"ref","attrs":{"name":"Hill12"},"body":{"id":"mw-reference-text-cite_note-Hill12-12"}}' id="cite_ref-Hill12_12-0" rel="dc:references" typeof="mw:Extension/ref"><a href="./October_25#cite_note-Hill12-12" id="mw-g" style="counter-reset: mw-Ref 12;"><span class="mw-reflink-text" id="mw-w">[12]</span></a></sup>