A 5.7 <span about="#mwt65" data-mw='{"parts":[{"template":{"target":{"wt":"M","href":"./Template:M"},"params":{"1":{"wt":"w"}},"i":0}}]}' id="mw9w" typeof="mw:Transclusion">M</span><sub about="#mwt65">w</sub><span about="#mwt65" typeof="mw:Entity"> </span><link about="#mwt65" href="./Category:Articles_using_Mw_magnitude_scale" id="mw-A" rel="mw:PageProp/Category"/> <a href="https://en.wikipedia.org/wiki/1986_San_Salvador_earthquake" id="mw-Q" rel="mw:WikiLink" title="1986 San Salvador earthquake">San Salvador earthquake</a> shakes El Salvador, killing 1,500.