The 8.2 <a about="#mwt38" data-mw='{"parts":[{"template":{"target":{"wt":"M","href":"./Template:M"},"params":{"1":{"wt":"w"},"link":{"wt":"y"}},"i":0}}]}' href="https://en.wikipedia.org/wiki/Seismic_magnitude_scales#Mw" id="mwvg" rel="mw:WikiLink" title="Seismic magnitude scales" typeof="mw:Transclusion"><style about="#mwt41" data-mw='{"name":"templatestyles","attrs":{"src":"Template:Tooltip/styles.css"}}' data-mw-deduplicate="TemplateStyles:r1038841319" typeof="mw:Extension/templatestyles">.mw-parser-output .tooltip-dotted{border-bottom:1px dotted;cursor:help}</style><span about="#mwt42" class="rt-commentedText tooltip" data-mw='{"attribs":[[{"txt":"title"},{"html":"&lt;span typeof=\"mw:Nowiki\" data-parsoid=\"{}\"&gt;Moment mag. scale&lt;/span&gt;"}]]}' title="Moment mag. scale" typeof="mw:ExpandedAttrs">M<sub>w</sub></span></a><link about="#mwt38" href="./Category:Articles_using_Mw_magnitude_scale" id="mwvw" rel="mw:PageProp/Category"/> <a href="https://en.wikipedia.org/wiki/1906_Valparaíso_earthquake" id="mwwA" rel="mw:WikiLink" title="1906 Valparaíso earthquake">Valparaíso earthquake</a> hits central Chile, killing 3,882 people.