<page_title> List of earthquakes in 1933 </page_title> <section_title> By magnitude </section_title> <table> <cell> 7.1 <col_header> Magnitude </col_header> </cell> <cell> Southwest Indian Ridge <col_header> Location </col_header> </cell> <cell> 10.0 <col_header> Depth (km) </col_header> </cell> <cell> January 21 <col_header> Date </col_header> </cell> </table>
A magnitude 7.1 earthquake struck Southwest Indian Ridge on January 21, with a depth of 10.0 km.