<page_title> List of earthquakes in 1951 </page_title> <section_title> By magnitude </section_title> <table> <cell> 7.5 <col_header> Magnitude </col_header> </cell> <cell> Southwest Indian Ridge <col_header> Location </col_header> </cell> <cell> 15.0 <col_header> Depth (km) </col_header> </cell> <cell> December 8 <col_header> Date </col_header> </cell> </table>
A 7.5 magnitude earthquake struck the Southwest Indian Ridge on December 8 at a depth of 15.0 km.