The <a href="https://en.wikipedia.org/wiki/1716_Algiers_earthquake" id="mwXw" rel="mw:WikiLink" title="1716 Algiers earthquake">1716 Algiers earthquake</a> sequence began with an <span about="#mwt44" data-mw='{"parts":[{"template":{"target":{"wt":"M","href":"./Template:M"},"params":{"1":{"wt":"w"}},"i":0}}]}' id="mwYA" typeof="mw:Transclusion">M</span><sub about="#mwt44">w</sub><span about="#mwt44" typeof="mw:Entity"> </span><link about="#mwt44" href="./Category:Articles_using_Mw_magnitude_scale" id="mwYQ" rel="mw:PageProp/Category"/> 7.0 mainshock that caused severe damage and killed 20,000 in Algeria.<sup about="#mwt48" class="mw-ref reference" data-mw='{"name":"ref","attrs":{"name":"NGDC"},"body":{"id":"mw-reference-text-cite_note-NGDC-8"}}' id="cite_ref-NGDC_8-0" rel="dc:references" typeof="mw:Extension/ref"><a href="./February_3#cite_note-NGDC-8" id="mwYg" style="counter-reset: mw-Ref 8;"><span class="mw-reflink-text" id="mwYw">[8]</span></a></sup>