The 7.5 <span about="#mwt71" data-mw='{"parts":[{"template":{"target":{"wt":"M","href":"./Template:M"},"params":{"1":{"wt":"w"}},"i":0}}]}' id="mwARg" typeof="mw:Transclusion">M</span><sub about="#mwt71">w</sub><span about="#mwt71" typeof="mw:Entity"> </span><link about="#mwt71" href="./Category:Articles_using_Mw_magnitude_scale" id="mwARk" rel="mw:PageProp/Category"/> <a href="https://en.wikipedia.org/wiki/1999_Ambrym_earthquake" id="mwARo" rel="mw:WikiLink" title="1999 Ambrym earthquake">Ambrym earthquake</a> shakes <a href="https://en.wikipedia.org/wiki/Vanuatu" id="mwARs" rel="mw:WikiLink" title="Vanuatu">Vanuatu</a> and a destructive tsunami follows. Ten people were killed and forty were injured.