A <span about="#mwt37" data-mw='{"parts":[{"template":{"target":{"wt":"M","href":"./Template:M"},"params":{"1":{"wt":"s"}},"i":0}}]}' id="mwqw" typeof="mw:Transclusion">M</span><sub about="#mwt37">s</sub><span about="#mwt37" typeof="mw:Entity"> </span><link about="#mwt37" href="./Category:Articles_using_MS_magnitude_scale" id="mwrA" rel="mw:PageProp/Category"/> <a href="https://en.wikipedia.org/wiki/1840_Ahora_earthquake" id="mwrQ" rel="mw:WikiLink" title="1840 Ahora earthquake">7.4 earthquake</a> strikes present-day Turkey and Armenia; combined with the effects of an eruption on <a href="https://en.wikipedia.org/wiki/Mount_Ararat" id="mwrg" rel="mw:WikiLink" title="Mount Ararat">Mount Ararat</a>, kills 10,000 people.<sup about="#mwt41" class="mw-ref reference" data-mw='{"name":"ref","attrs":{"name":"KarakhanianOther2004a"},"body":{"id":"mw-reference-text-cite_note-KarakhanianOther2004a-5"}}' id="cite_ref-KarakhanianOther2004a_5-0" rel="dc:references" typeof="mw:Extension/ref"><a href="./July_2#cite_note-KarakhanianOther2004a-5" id="mwrw" style="counter-reset: mw-Ref 5;"><span class="mw-reflink-text" id="mwsA">[5]</span></a></sup>