There was no recorded wreck at this place so it was reported to your appropriate authorities, including the Receiver on the Wreck (RoW). U-31 evaded a spread of 4 torpedoes fired by HMS Trident about fifteen miles (24 km) south of Lorient and was then forced to dive when fired https://u3190875.kylieblog.com/32810959/rumored-buzz-on-u31